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Wang Z, Eltohamy KM, Liu B, Jin J, Liang X. Effects of drying-rewetting cycles on colloidal phosphorus composition in paddy and vegetable soils. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 907:168016. [PMID: 37875203 DOI: 10.1016/j.scitotenv.2023.168016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 10/19/2023] [Accepted: 10/20/2023] [Indexed: 10/26/2023]
Abstract
The impact of drying-rewetting (DRW) cycles on soil phosphorus (P) behavior is well-established; however, its impact on the different-sized colloidal P (CP) in agricultural soils is still unclear. To investigate the effect of DRW events on the mobilization of CP in agricultural soils, and to understand how this impact varies with different DRW cycles and drought intensities, the study explored the role of soil type, CP fractions, and compositions. The concentration of CP was measured in paddy soil and vegetable soil after 3, 6, and 9 DRW cycles of varying intensities. The CP was then fractionated into fine-sized colloids (FC-P; 1-220 nm), medium-sized colloids (MC-P; 220-450 nm), and coarse-sized colloids (CC-P; 450-1000 nm) through soil supernatant filtration. CP accounted for 71.1 % and 55.6 % of water-dispersible colloidal P (<1000 nm) in paddy and vegetable soils, with FC-P constituting the greatest proportion at 50 % and 44 % of CP respectively. The colloidal fraction correlated with organic carbon, aluminum, and iron. DRW cycles did not change the overall distribution of the three CP size fractions. However, they affected the concentration and composition of CP. This study concluded that DRW can have significant implications for nutrient release and water quality in agricultural soils and that maintaining soil moisture at 50 % to 70 % of water-holding capacity could alleviate CP accumulation resulting from DRW cycles.
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Affiliation(s)
- Ziwan Wang
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resources Sciences, Zhejiang University, Hangzhou 310058, China
| | - Kamel Mohamed Eltohamy
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resources Sciences, Zhejiang University, Hangzhou 310058, China
| | - Boyi Liu
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resources Sciences, Zhejiang University, Hangzhou 310058, China
| | - Junwei Jin
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resources Sciences, Zhejiang University, Hangzhou 310058, China
| | - Xinqiang Liang
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resources Sciences, Zhejiang University, Hangzhou 310058, China.
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2
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Wang X, Eltohamy KM, Liu C, Li F, Fang Y, Kawasaki A, Liang X. Biochar reduces colloidal phosphorus in soil aggregates: The role of microbial communities. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 326:116745. [PMID: 36375438 DOI: 10.1016/j.jenvman.2022.116745] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 11/05/2022] [Accepted: 11/07/2022] [Indexed: 06/16/2023]
Abstract
Colloidal phosphorus (Pcoll) in paddy soils can pose a serious threat to the water environment. Biochar amendment not only directly absorb Pcoll to reduce the runoff loss, but also create hotspots for microbial communities which simultaneously affects soil Pcoll. However, despite the crucial role of microorganisms, it remains elusive regarding how biochar and its feedstock types affect the relationships of soil microbial communities and Pcoll in soil matrix (such as at soil aggregate level). To address the knowledge gap, we explored the (in)direct effects of biochar on the soil Pcoll in physically separated fractions including micro- (53-250 μm) and macroaggregates (250-2000 μm). Results showed that straw and manure biochars decreased the soil Pcoll content by 55.2-56.7% in microaggregates and 41.2-48.4% in macroaggregates after 120 days of incubation, compared to the respective control. The fungal communities showed a significantly correlation (0.34, p < 0.05) with Pcoll content in the macroaggregates, whereas the bacterial communities were extremely significantly correlated (0.66, p < 0.001) with Pcoll content in the microaggregates. Furthermore, the partial least squares path model analysis indicated that biochar amendments directly increased Pcoll content (0.76 and 0.61) in micro- and macroaggregates, but the reduced Pcoll content by biochar was mainly derived from indirect effects, such as changed soil biological characteristics carbon (C)/P (-0.69), microbial biomass C (-0.63), microbial biomass P (-0.68), keystone taxa Proteobacteria (-0.63), and Ascomycota (-0.59), particularly for the macroaggregates. This study highlights that to some extent, biochar addition can reduce soil Pcoll content by affecting microbial communities (some keystone taxa), and soil biological characteristics at soil aggregate level.
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Affiliation(s)
- Xiaochun Wang
- Key Laboratory of Watershed Non-point Source Pollution Control and Water Eco-security of Ministry of Water Resources, College of Environmental and Resources Sciences, Zhejiang University, Hangzhou 310058, China
| | - Kamel Mohamed Eltohamy
- Key Laboratory of Watershed Non-point Source Pollution Control and Water Eco-security of Ministry of Water Resources, College of Environmental and Resources Sciences, Zhejiang University, Hangzhou 310058, China; Department of Water Relations & Field Irrigation, National Research Centre, Dokki, Giza, Egypt
| | - Chunlong Liu
- Key Laboratory of Mollisols Agroecology, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Harbin, China
| | - Fayong Li
- College of Water Resources and Architectural Engineering, Tarim University, Xinjiang 843300, China
| | - Yunying Fang
- NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute, Menangle, NSW 2568, Australia
| | - Akitomo Kawasaki
- NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute, Advanced Gene Technology Centre, Menangle, NSW 2568, Australia
| | - Xinqiang Liang
- Key Laboratory of Watershed Non-point Source Pollution Control and Water Eco-security of Ministry of Water Resources, College of Environmental and Resources Sciences, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Mollisols Agroecology, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Harbin, China.
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3
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Effects of Phosphorus Fertilizer Application Rates on Colloidal Phosphorus Leaching in Purple Soil in Southwest China. WATER 2022. [DOI: 10.3390/w14152391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Phosphorus (P) lost via leaching from agricultural land is of major concern for water resource managers worldwide, and colloidal phosphorus (CP) may have a high contribution, since it is an important mobile form of P in soil and subsurface drainage. The objective of this study is to relate P fertilization application rates to CP leaching. To eliminate the influence of climate and facilitate the accurate measurement of P contents in different soil layers, we established soil columns to investigate the impacts of fertilizer application rates and timing on P leaching. Therefore, a soil column leaching experiment was undertaken with different P fertilization application rates (0, 20, 40, 100, 200, and 400 mg kg−1) for purple soil in southwest China. P application rates had significant effects on CP and dissolved phosphorus concentrations in the top soils (p < 0.05) (e.g., 0–10 cm in this study), and they further increased P leaching loss by 24–375%. CP was the dominant P form and contributed 31–61% to total phosphorus in the leachate. The concentration of different P forms in leachates decreased significantly over time, and the risk of P leaching loss was greater within two weeks after P application (p < 0.05). The advisable range of P application rate is recommended to be 0–450 kg ha−1 for agricultural practice, and it is also recommended to keep P fertilizer in the soil for more than two weeks. Some countermeasures, related to application rates and timing, should be taken to minimize the buildup of P in the field and reduce the risk of P leaching.
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Khan S, Milham PJ, Eltohamy KM, Hamid Y, Li F, Jin J, He M, Liang X. Pteris vittata plantation decrease colloidal phosphorus contents by reducing degree of phosphorus saturation in manure amended soils. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 304:114214. [PMID: 34864519 DOI: 10.1016/j.jenvman.2021.114214] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 11/25/2021] [Accepted: 11/29/2021] [Indexed: 06/13/2023]
Abstract
The agricultural use of manure fertilizer increases the phosphorus (P) saturation of soils and the risk of colloidal P (Pcoll) release to aquatic ecosystems. Two experiments were conducted to identify whether Pteris vittata plantation can decrease Pcoll contents in two soils (Cambisol and Anthrosol) amended with various manure P rates (0, 10, 25, and 50 mg P kg-1 of soil). The total Pcoll contents in manured soil without P. vittata were 1.14-3.37 mg kg-1 (Cambisol), and 0.01-2.83 mg kg-1 (Anthrosol) across manure-P rates. The corresponding values with P. vittata were 0.97-2.33 mg kg-1 (Cambisol) and 0.005-1.6 mg kg-1 (Anthrosol). Experimentally determined colloidal minerals (Fe, Al, Ca), colloidal total organic carbon, Mehlich-3 nutrients (Fe, Al, and Ca), and the degree of P saturation were good predictors of Pcoll concentrations in both soils with and without P. vittata plantation. In unplanted soils, P adsorption decreased and the degree of P saturation increased which released more Pcoll. However, P. vittata plantation decreased the Pcoll release and P loss risk due to the increase of P adsorption and reduced DPS in both soils. The P fractions (NaOH, NH4F, and HCl-P) contributed to increase the P pool in planted soils which enhanced the bioavailability of Pcoll and increased the P. vittata biomass. It suggested that P. vittata plantation was an effective approach to reduce Pcoll release from manure amended soils.
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Affiliation(s)
- Sangar Khan
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resources Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Paul J Milham
- Hawkesbury Institute for the Environment, University of Western Sydney, LB 1797, Penrith, New South Wales, 2751, Australia
| | - Kamel Mohamed Eltohamy
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resources Sciences, Zhejiang University, Hangzhou, 310058, China; Water Relations and Field Irrigation Department, Agricultural and Biological Research Division, National Research Centre, Cairo, 12622, Egypt
| | - Yasir Hamid
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resources Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Fayong Li
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resources Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Junwei Jin
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resources Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Miaomiao He
- Department of Life and Environmental Science, Hangzhou Normal University, Hangzhou, 310036, China.
| | - Xinqiang Liang
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resources Sciences, Zhejiang University, Hangzhou, 310058, China.
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5
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Fresne M, Jordan P, Fenton O, Mellander PE, Daly K. Soil chemical and fertilizer influences on soluble and medium-sized colloidal phosphorus in agricultural soils. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 754:142112. [PMID: 33254851 DOI: 10.1016/j.scitotenv.2020.142112] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 08/24/2020] [Accepted: 08/29/2020] [Indexed: 06/12/2023]
Abstract
Colloid-facilitated transport can be important for preferential transfer of phosphorus (P) through the soil profile to groundwater and may in part explain elevated P concentrations in surface water during baseflow and particularly high flow conditions. To investigate the potential for colloidal P (Pcoll) mobilisation in soils, this study assessed the role of soil chemical properties and P fertilizer type on medium-sized soil Pcoll (200-450 nm) and its association with soil solution soluble bioavailable P (<450 nm). Hillslope soils from three agricultural catchments were sampled and untreated and treated (cattle slurry and synthetic fertilizer) subsamples were incubated. Soil supernatants were analysed for P and soil Water Dispersible Colloids (WDC) were extracted for analysis of P and P-binding materials. Soils physicochemical properties including degree of P saturation (DPS) and P sorption properties were determined. Results indicated that medium-sized Pcoll was mostly unreactive P associated to some extent to amorphous forms of Fe. Medium-sized Pcoll concentrations correlated negatively with soil maximum P sorption capacity and soluble P concentrations increased with increasing DPS. In soil with low sorption properties, cattle slurry increased soluble P concentrations by 0.008-0.013 mg l-1 and DPS but did not influence medium-sized Pcoll. Synthetic fertilizer increased medium-sized reactive Pcoll by 0.011 mg l-1 (0.088 mg kg-1 soil) and DPS in a soil with lower DPS whereas it decreased it by 0.005 mg l-1 (0.040 mg kg-1 soil) in a soil with higher DPS. Additional soil parameters (M3-Fe, M3-Al, M3-P, and DPS) should be included in soil testing, especially in Cambisol/Podzol soils, to identify critical areas where risks of Pcoll mobilisation are important. Further research should include the roles of finer colloidal and nanoparticulate (<200 nm) soil P fractions and soluble P to inform understanding of plant uptake and assess environmental risk.
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Affiliation(s)
- Maëlle Fresne
- Agricultural Catchments Programme, Teagasc, Johnstown Castle Environment Research Centre, Wexford, Ireland; Crops, Environment and Land Use Programme, Teagasc, Johnstown Castle Environment Research Centre, Wexford, Ireland; School of Geography and Environmental Sciences, Ulster University, Coleraine, UK.
| | - Phil Jordan
- School of Geography and Environmental Sciences, Ulster University, Coleraine, UK
| | - Owen Fenton
- Crops, Environment and Land Use Programme, Teagasc, Johnstown Castle Environment Research Centre, Wexford, Ireland
| | - Per-Erik Mellander
- Agricultural Catchments Programme, Teagasc, Johnstown Castle Environment Research Centre, Wexford, Ireland; Crops, Environment and Land Use Programme, Teagasc, Johnstown Castle Environment Research Centre, Wexford, Ireland
| | - Karen Daly
- Crops, Environment and Land Use Programme, Teagasc, Johnstown Castle Environment Research Centre, Wexford, Ireland
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6
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Hosseini SH, Liang X, Niyungeko C, Miaomiao H, Li F, Khan S, Eltohamy KM. Effect of sheep manure-derived biochar on colloidal phosphorus release in soils from various land uses. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:36367-36379. [PMID: 31721028 DOI: 10.1007/s11356-019-06762-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 10/14/2019] [Indexed: 06/10/2023]
Abstract
Colloidal phosphorus (CP) as an additional route of P mobilization in soil solution has gained much attention. A batch experiment was conducted to investigate the effect of sheep manure-derived biochar (SMB) on CP release from various land uses (paddy, vegetable, tea, and citrus) at a rate of 0% as a control treatment (CK), 1% as a low (L) level, 2% as a middle (M) level, and 4% as a high (H) level of SMB application. The CP and MRPcoll in the solution increased from 30.58 to 88.97% and from 2.45 to 55.54% of total P (TP), respectively. The SMB enhanced CP release in all the soils and all the treatments (except CK and L levels in tea soil; CK, L, and M levels in vegetable soil; and L and M levels in citrus soil). Multiple linear regression revealed a significant correlation between CP and MRPcoll and between colloidal iron, aluminum, calcium, and total organic carbon (Fecoll, Alcoll, Cacoll, and TOCcoll) and pH, which may play an important role as CP carriers that could depend on the pH. This study suggests that the application of SMB in the soil at an appropriate rate of 1 and 2% for tea and vegetable soils, respectively, could be beneficial to avoid the risk of CP release in water bodies.
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Affiliation(s)
- Seyed Hamid Hosseini
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Xinqiang Liang
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China.
- Key Laboratory of Water Pollution Control and Environmental Security Technology, Hangzhou, 310058, Zhejiang Province, China.
| | - Christophe Niyungeko
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - He Miaomiao
- Department of Life and Environmental Science, Hangzhou Normal University, Hangzhou, 310036, People's Republic of China
| | - Fayong Li
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Sangar Khan
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Kamel Mohamed Eltohamy
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
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7
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He X, Zheng Z, Li T, He S, Zhang X, Wang Y, Huang H, Yu H, Liu T, Lin C. Transport of colloidal phosphorus in runoff and sediment on sloping farmland in the purple soil area of south-western China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:24088-24098. [PMID: 31228064 DOI: 10.1007/s11356-019-05735-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Accepted: 06/10/2019] [Indexed: 06/09/2023]
Abstract
Colloidal particles in runoff could play an important role in phosphorus (P) transfer from sloped farmland to waterbodies. We investigated the distribution of P in different-size particles from a purple soil and colloidal phosphorus (CP) loss in runoff and sediment from sloped farmland in south-western China. The profile distribution of P showed obvious surface accumulation. The risk of P loss in topsoil was greater than those of the other soil layers on sloping farmland of purple soil. The concentration of soil particles of < 0.002 mm in purple soil profiles was low, but the total phosphorus (TP) and available phosphorus (AP) concentrations of soil particles of < 0.002 mm were high. During a rainfall event, CP loss is significantly power function related to the runoff yield rate, and is linearly related to the sediment yield rate. The majority of P in runoff was CP. The total loss of CP in runoff was 139.52 g ha-1, in which surface runoff accounted for 64.3%. CP loss can be controlled by controlling runoff from sloping farmland, especially surface runoff. Our results suggest that CP loss should be valued in the process of nutrient loss, as well as CP transfer should be given greater consideration in the mechanistic studies of the P transfer process.
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Affiliation(s)
- Xiaoling He
- College of Resources, Sichuan Agricultural University, 211, Huiming Road, 611130, Chengdu, People's Republic of China
| | - Zicheng Zheng
- College of Resources, Sichuan Agricultural University, 211, Huiming Road, 611130, Chengdu, People's Republic of China.
| | - Tingxuan Li
- College of Resources, Sichuan Agricultural University, 211, Huiming Road, 611130, Chengdu, People's Republic of China
| | - Shuqin He
- College of Forestry, Sichuan Agricultural University, 211, Huiming Road, 611130, Chengdu, People's Republic of China
| | - Xizhou Zhang
- College of Resources, Sichuan Agricultural University, 211, Huiming Road, 611130, Chengdu, People's Republic of China
| | - Yongdong Wang
- College of Resources, Sichuan Agricultural University, 211, Huiming Road, 611130, Chengdu, People's Republic of China
| | - Huagang Huang
- College of Resources, Sichuan Agricultural University, 211, Huiming Road, 611130, Chengdu, People's Republic of China
| | - Haiying Yu
- College of Resources, Sichuan Agricultural University, 211, Huiming Road, 611130, Chengdu, People's Republic of China
| | - Tao Liu
- College of Resources, Sichuan Agricultural University, 211, Huiming Road, 611130, Chengdu, People's Republic of China
| | - Chaowen Lin
- Soil and Fertilizer Research Institute, Sichuan Academy of Agricultural Sciences, 610066, Chengdu, Sichuan, People's Republic of China
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Missong A, Holzmann S, Bol R, Nischwitz V, Puhlmann H, V Wilpert K, Siemens J, Klumpp E. Leaching of natural colloids from forest topsoils and their relevance for phosphorus mobility. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 634:305-315. [PMID: 29627554 DOI: 10.1016/j.scitotenv.2018.03.265] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 02/16/2018] [Accepted: 03/22/2018] [Indexed: 06/08/2023]
Abstract
The leaching of P from the upper 20cm of forest topsoils influences nutrient (re-)cycling and the redistribution of available phosphate and organic P forms. However, the effective leaching of colloids and associated P forms from forest topsoils was so far sparsely investigated. We demonstrated through irrigation experiments with undisturbed mesocosm soil columns, that significant proportions of P leached from acidic forest topsoils were associated with natural colloids. These colloids had a maximum size of 400nm. By means of Field-flow fractionation the leached soil colloids could be separated into three size fractions. The size and composition was comparable to colloids present in acidic forest streams known from literature. The composition of leached colloids of the three size classes was dominated by organic carbon. Furthermore, these colloids contained large concentrations of P which amounted between 12 and 91% of the totally leached P depending on the type of the forest soil. The fraction of other elements leached with colloids ranged between 1% and 25% (Fe: 1-25%; Corg: 3-17%; Al: <4%; Si, Ca, Mn: all <2%). The proportion of colloid-associated P decreased with increasing total P leaching. Leaching of total and colloid-associated P from the forest surface soil did not increase with increasing bulk soil P concentrations and were also not related to tree species. The present study highlighted that colloid-facilitated P leaching can be of higher relevance for the P leaching from forest surface soils than dissolved P and should not be neglected in soil water flux studies.
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Affiliation(s)
- Anna Missong
- Institute of Bio- and Geosciences, Agrosphere (IBG-3), Forschungszentrum Jülich, Wilhelm-Johnen-Str., 52425 Jülich, Germany; Institute for Environmental Research, Biology 5, RWTH Aachen, Worringerweg 1, 52074 Aachen, Germany.
| | - Stefan Holzmann
- Forstliche Versuchs- und Forschungsanstalt Baden-Württemberg, Wonnhaldestraße 4, 79100 Freiburg i.Br., Germany
| | - Roland Bol
- Institute of Bio- and Geosciences, Agrosphere (IBG-3), Forschungszentrum Jülich, Wilhelm-Johnen-Str., 52425 Jülich, Germany
| | - Volker Nischwitz
- Central Institute for Engineering, Electronics and Analytics, Analytics (ZEA-3), Forschungszentrum Jülich, Wilhelm-Johnen Str., 52425 Jülich, Germany
| | - Heike Puhlmann
- Forstliche Versuchs- und Forschungsanstalt Baden-Württemberg, Wonnhaldestraße 4, 79100 Freiburg i.Br., Germany
| | - Klaus V Wilpert
- Forstliche Versuchs- und Forschungsanstalt Baden-Württemberg, Wonnhaldestraße 4, 79100 Freiburg i.Br., Germany
| | - Jan Siemens
- Institute for Soil Science and Soil Conservation, iFZ Research Centre for Biosystems, Land Use and Nutrition, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32, 35392 Gießen, Germany
| | - Erwin Klumpp
- Institute of Bio- and Geosciences, Agrosphere (IBG-3), Forschungszentrum Jülich, Wilhelm-Johnen-Str., 52425 Jülich, Germany
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9
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Dupas R, Mellander PE, Gascuel-Odoux C, Fovet O, McAleer EB, McDonald NT, Shore M, Jordan P. The role of mobilisation and delivery processes on contrasting dissolved nitrogen and phosphorus exports in groundwater fed catchments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 599-600:1275-1287. [PMID: 28531946 DOI: 10.1016/j.scitotenv.2017.05.091] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 05/10/2017] [Accepted: 05/10/2017] [Indexed: 06/07/2023]
Abstract
Diffuse transfer of nitrogen (N) and phosphorus (P) in agricultural catchments is controlled by the mobilisation of sources and their delivery to receiving waters. While plot scale experiments have focused on mobilisation processes, many catchment scale studies have hitherto concentrated on the controls of dominant flow pathways on nutrient delivery. To place mobilisation and delivery at a catchment scale, this study investigated their relative influence on contrasting nitrate-N and soluble P concentrations and N:P ratios in two shallow groundwater fed catchments with different land use (grassland and arable) on the Atlantic seaboard of Europe. Detailed datasets of N and P inputs, concentrations in shallow groundwater and concentrations in receiving streams were analysed over a five year period (October 2010-September 2015). Results showed that nitrate-N and soluble P concentrations in shallow groundwater give a good indication of stream concentrations, which suggests a dominant control of mobilisation processes on stream exports. Near-stream attenuation of nitrate-N (-30%), likely through denitrification and dilution, and enrichment in soluble P (+100%), through soil-groundwater interactions, were similar in both catchments. The soil, climate and land use controls on mobilisation were also investigated. Results showed that grassland tended to limit nitrate-N leaching as compared to arable land, but grassland could also contribute to increased P solubilisation. In the context of land use change in these groundwater fed systems, the risk of pollution swapping between N and P must be carefully considered, particularly for interactions of land use with soil chemistry and climate.
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Affiliation(s)
- Rémi Dupas
- INRA, Agrocampus Ouest, UMR1069 SAS, F-35000 Rennes, France.
| | - Per-Erik Mellander
- Teagasc Agricultural Catchments Programme, Johnstown Castle, Wexford, Co Wexford, Ireland
| | | | - Ophélie Fovet
- INRA, Agrocampus Ouest, UMR1069 SAS, F-35000 Rennes, France
| | - Eoin B McAleer
- Teagasc Agricultural Catchments Programme, Johnstown Castle, Wexford, Co Wexford, Ireland; Geology Department, School of Natural Sciences, Trinity College, Dublin 2, Ireland
| | - Noeleen T McDonald
- Teagasc Agricultural Catchments Programme, Johnstown Castle, Wexford, Co Wexford, Ireland
| | - Mairead Shore
- Teagasc Agricultural Catchments Programme, Johnstown Castle, Wexford, Co Wexford, Ireland
| | - Phil Jordan
- School of Geography and Environmental Sciences, Ulster University, Coleraine, N. Ireland, UK
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10
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Zhou J, Liu D, Zhang W, Chen X, Huan Y, Yu X. Colloid characterization and in situ release in shallow groundwater under different hydrogeology conditions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:14445-14454. [PMID: 28439687 DOI: 10.1007/s11356-017-8856-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Accepted: 03/17/2017] [Indexed: 06/07/2023]
Abstract
Changes to groundwater hydrodynamics and chemistry can lead to colloid release that can have a major impact on the groundwater environment. To analyze the effects of colloid release caused by artificial groundwater recharge, field and laboratory tests on colloid characterization and colloid release were conducted. The field tests were carried out at an artificial recharge test site in Shandong Province. In the field investigation, one recharge water sample and five groundwater samples were collected and filtered through three levels of ultrafiltration membranes, with pore sizes of 0.45 μm, 100 kDa, and 50 kDa. The field results indicated that the colloid mass concentrations in groundwater retained between membranes with pore sizes of 100 kDa-0.45 μm and 50 kDa-100 kDa were 19 and 62 mg/L, respectively. In recharge water, the colloid mass concentrations retained by 100-kDa-0.45-μm and 50-kDa-100-kDa membranes were 3 and 99 mg/L, respectively. Colloids detected on the ultrafiltration membranes were mainly inorganic between 100 kDa and 0.45 μm, and mainly organic between 50 and 100 kDa. Based on the field colloid investigation results, the organic colloid was chosen in the laboratory experiments to reveal its release behavior under different conditions. Porous media diameter, flux, ionic strength (IS), and ion valence were changed to determine their influences on organic colloid concentration outflow from undisturbed porous media. The experiment's results indicate that decreasing the diameter, and increasing the flux, ionic strength, and the number of divalent cations, can promote organic colloid release. The organic colloid release rate in the early stage was high and is thus likely to affect the quality of groundwater. The results provide a useful scientific basis for minimizing changes to hydrodynamic and hydrochemical conditions during artificial recharge, thus safeguarding groundwater quality.
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Affiliation(s)
- Jingjing Zhou
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China
- College of Environment and Resources, Jilin University, Changchun, 130021, China
| | - Dan Liu
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China
- College of Environment and Resources, Jilin University, Changchun, 130021, China
| | - Wenjing Zhang
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China.
- College of Environment and Resources, Jilin University, Changchun, 130021, China.
| | - Xuequn Chen
- Shandong Hydraulic Research Institute, Jinan, 250000, China
| | - Ying Huan
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China
- College of Environment and Resources, Jilin University, Changchun, 130021, China
| | - Xipeng Yu
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China
- College of Environment and Resources, Jilin University, Changchun, 130021, China
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11
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Yamamoto K, Hashimoto Y. Chemical Species of Phosphorus and Zinc in Water-Dispersible Colloids from Swine Manure Compost. JOURNAL OF ENVIRONMENTAL QUALITY 2017; 46:461-465. [PMID: 28380561 DOI: 10.2134/jeq2016.11.0433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The release of phosphorus (P) and zinc (Zn) from swine manure compost and from soils applied with swine manure compost can be accelerated by colloidal particles. This study investigated the concentrations and chemical species of P and Zn in water-dispersible colloids (WDCs) collected from swine manure compost by using X-ray absorption fine structure (XAFS) spectroscopy. A filtration and ultracentrifugation process was used to separate and collect WDCs (20-1000 nm) from the bulk swine manure compost (<2 mm). The swine manure compost contained 2.7 g kg WDC, in which P (140 g kg) was highly concentrated and Zn concentrations were greater than in the bulk compost (1.45 g kg). Phosphorus K-edge X-ray absorption near-edge structure (XANES) spectroscopy determined the presence of struvite (NHMgPO·6HO) as a major P species (74%), followed by tricalcium phosphate as a secondary component (26%). In the WDC fraction, struvite was not found, but tricalcium phosphate (56%) occurred as a primary component. Zinc K-edge XAFS spectroscopy determined hopeite [Zn(PO)·4HO, 59%] and to a lesser extent smithsonite (ZnCO, 24%) and Zn adsorbed on ferrihydrite (17%). In the WDC fraction, hopeite (44%) and organically bound Zn (35%) were predominant. Our results demonstrate the notable difference in the concentration and chemical species of P and Zn between the WDC and bulk fractions of swine manure compost.
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12
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A framework to measure the availability of engineered nanoparticles in soils: Trends in soil tests and analytical tools. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2015.07.003] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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Fuchs JW, Fox GA, Storm DE, Penn CJ, Brown GO. Subsurface transport of phosphorus in riparian floodplains: influence of preferential flow paths. JOURNAL OF ENVIRONMENTAL QUALITY 2009; 38:473-484. [PMID: 19202017 DOI: 10.2134/jeq2008.0201] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
For phosphorus (P) transport from upland areas to surface water systems, the primary transport mechanism is typically considered to be surface runoff with subsurface transport assumed negligible. However, certain local conditions can lead to an environment where subsurface transport may be significant. The objective of this research was to determine the potential of subsurface transport of P along streams characterized by cherty or gravel subsoils, especially the impact of preferential flow paths on P transport. At a field site along the Barren Fork Creek in northeastern Oklahoma, a trench was installed with the bottom at the topsoil/alluvial gravel interface. Fifteen piezometers were installed surrounding the trench to monitor flow and transport. In three experiments, water was pumped into the trench from the Barren Fork Creek to maintain a constant head. At the same time, a conservative tracer (Rhodamine WT) and/or potassium phosphate solution were injected into the trench at concentrations at 3 and 100 mg/L for Rhodamine WT and at 100 mg/L for P. Laboratory flow-cell experiments were also conducted on soil material <2 mm in size to determine the effect that flow velocity had on P sorption. Rhodamine WT and P were detected in some piezometers at equivalent concentrations as measured in the trench, suggesting the presence of preferential flow pathways and heterogeneous interaction between streams and subsurface transport pathways, even in nonstructured, coarse gravel soils. Phosphorus transport was retarded in nonpreferential flow paths. Breakthrough times were approximately equivalent for Rhodamine WT and P suggesting no colloidal-facilitated P transport. Results from laboratory flow-cell experiments suggested that higher velocity resulted in less P sorption for the alluvial subsoil. Therefore, differences in flow rates between preferential and nonpreferential flow pathways in the field led to variable sorption. The potential for nutrient subsurface transport shown by this alluvial system has implications regarding management of similar riparian floodplain systems.
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Affiliation(s)
- John W Fuchs
- Dep. of Biosystems and Agric. Engineering, Oklahoma State Univ., Stillwater, OK, USA
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Maldonado VM, Rubio Arias HO, Quintana R, Saucedo R, Gutierrez M, Ortega JA, Nevarez G. Heavy metal content in soils under different wastewater irrigation patterns in Chihuahua, Mexico. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2008; 5:441-9. [PMID: 19151441 PMCID: PMC3700006 DOI: 10.3390/ijerph5050441] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2008] [Accepted: 12/05/2008] [Indexed: 11/16/2022]
Abstract
An area near the city of Chihuahua has been traditionally irrigated with wastewater to grow forage crops. It has been hypothesized that metal levels could be found in these soils high enough to cause potential health problems to the population. The objective of this study was to determine heavy metal concentrations in different soils due to irrigation practices. Four soil types were evaluated; a soil with a past and present history of wastewater irrigation (S1), a soil with a history of wastewater irrigation until 2003 (S2), a soil with no irrigation history (S3), and a soil similar to S1 and adjacent to the river where the wastewater is transported (S11). Three soil depths were evaluated; 0-15, 15-30 and 30-50 cm. Consequently, a total of 150 soil samples were analyzed evaluating pH, EC, OM and the following elements; Na, K, Cd, Pb, Ni, Cr, Cu and Fe. The pH (P=0.000) and EC (P=0.000) were different for each soil type but no differences were noted for soil depth and the interaction. Maximum pH levels were noted in S3 with a value of 8.74 while maximum EC was observed in S1 with a value of 0.850 dSm-1. The OM level was different for soil type (P=0.000), soil depth (P=0.005) and the interaction (P=0.014). S1 and S11 obtained maximum levels of OM while minimum levels were noted in S3. Maximum OM levels were observed at the 0-15 cm depth followed by the 15-30 cm depth and finally at the 30-50 cm depth. The highest concentration of metals was as follows: K in S1 (359.3 mg kg-1); Cd in S1 (4.48 mg kg-1); Pb in S11 (155.83 mg kg-1); Ni in S1 (10.74 mg kg-1); Cu in S1 (51.36 mg kg-1); B in S3 (41.5 mg kg-1); Fe in S3 (20,313.0 mg kg-1), Cr in S3 (44.26 mg kg-1) and Na in S3 (203.0 mg kg-1). The conclusion is that some metals are present in the soils due to anthropogenic activities but others are present in natural forms.
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Affiliation(s)
- V. M. Maldonado
- College of Zootechnology and Ecology, Autonomous University of Chihuahua, Chihuahua,
Mexico
| | - H. O. Rubio Arias
- College of Zootechnology and Ecology, Autonomous University of Chihuahua, Chihuahua,
Mexico
| | - R. Quintana
- College of Zootechnology and Ecology, Autonomous University of Chihuahua, Chihuahua,
Mexico
| | - R.A. Saucedo
- National Institute for Research in Forestry, Agriculture and Animal Production (INIFAP), Chihuahua,
Mexico
| | - M. Gutierrez
- Missouri State University, Department of Geography, Geology and Planning, Springfield, MO,
USA
| | - J. A. Ortega
- College of Zootechnology and Ecology, Autonomous University of Chihuahua, Chihuahua,
Mexico
| | - G.V. Nevarez
- College of Chemistry, Autonomous University of Chihuahua, Chihuahua,
Mexico
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15
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Siemens J, Ilg K, Pagel H, Kaupenjohann M. Is colloid-facilitated phosphorus leaching triggered by phosphorus accumulation in sandy soils? JOURNAL OF ENVIRONMENTAL QUALITY 2008; 37:2100-2107. [PMID: 18948463 DOI: 10.2134/jeq2007.0544] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The leaching of colloidal phosphorus (P(coll)) contributes to P losses from agricultural soils. In an irrigation experiment with undisturbed soil columns, we investigated whether the accumulation of P in soils due to excess P additions enhances the leaching of colloids and P(coll) from sandy soils. Furthermore, we hypothesized that large concentrations of P(coll) occur at the onset of leaching events and that P(coll) mobilized from topsoils is retained in subsoils. Soil columns of different P saturation and depth (0-25 and 0-40 cm) were collected at a former disposal site for liquid manure and at the Thyrow fertilization experiment in northeastern Germany. Concentrations of total dissolved P, P(coll), Fe(coll), Al(coll), optical density, zeta potential, pH, and electrical conductivity of the leachates were determined. Colloidal P concentrations ranged from 0.46 to 10 micromol L(-1) and contributed between 1 and 37% to total P leaching. Large P(coll) concentrations leached from the P-rich soil of the manure disposal site were rather related to a large P-content of colloids than to the mobilization of additional colloids. Concentrations of colloids and P(coll) in leachates from P-poor and P-rich columns from Thyrow did not differ significantly. In contrast, accumulation of P in the Werbellin and the Thyrow soil consistently increased dissolved P concentrations to maximum values as high as 300 micromol L(-1). We observed no first-flush of colloids and P(coll) at the beginning of the leaching event. Concentrations of P(coll) leached from 40-cm soil columns were not smaller than those leached from 25-cm columns. Our results illustrate that an accumulation of P in sandy soils does not necessarily lead to an enhanced leaching of colloids and P(coll), because a multitude of factors independent from the P status of soils control the mobility of colloids. In contrast, P accumulation generally increases dissolved P concentrations in noncalcareous soils due to the saturation of the P sorption capacity. This indicates that leaching of dissolved P might be a more widespread environmental problem in areas with P-saturated sandy soils than leaching of P(coll).
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Affiliation(s)
- Jan Siemens
- Dep. of Soil Science, Institute of Ecology, Berlin Univ. of Technology, Salzufer 11-12, D-10587 Berlin, Germany.
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Koopmans GF, Chardon WJ, McDowell RW. Phosphorus movement and speciation in a sandy soil profile after long-term animal manure applications. JOURNAL OF ENVIRONMENTAL QUALITY 2007; 36:305-15. [PMID: 17215240 DOI: 10.2134/jeq2006.0131] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Long-term application of phosphorus (P) with animal manure in amounts exceeding removal with crops leads to buildup of P in soil and to increasing risk of P loss to surface water and eutrophication. In most manures, the majority of P is held within inorganic forms, but in soil leachates organic P forms often dominate. We investigated the mobility of both inorganic and organic P in profile samples from a noncalcareous sandy soil treated for 11 yr with excessive amounts of pig slurry, poultry manure, or poultry manure mixed with litter. Solution 31P nuclear magnetic resonance spectroscopy was used to characterize NaOH-EDTA-extractable forms of P, corresponding to 64 to 93% of the total P concentration in soil. Orthophosphate and orthophosphate monoesters were the main P forms detected in the NaOH-EDTA extracts. A strong accumulation of orthophosphate monoesters was found in the upper layers of the manure-treated soils. For orthophosphate, however, increased concentrations were found down to the 40- to 50-cm soil layers, indicating a strong downward movement of this P form. This was ascribed to the strong retention of orthophosphate monoesters by the solid phase of the soil, preventing orthophosphate sorption and facilitating downward movement of orthophosphate. Alternatively, mineralization of organic P in the upper layers of the manure-treated soils may have generated orthophosphate, which could have contributed to the downward movement of the latter. Leaching of inorganic P should thus be considered for the assessment and the future management of the long-term risk of P loss from soils receiving large amounts of manure.
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Affiliation(s)
- G F Koopmans
- Dep. of Soil Quality, Wageningen Univ., Wageningen Univ. and Research Centre (WUR), P.O. Box 8005, 6700 EC, Wageningen, the Netherlands.
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