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Yuan W, Wang S, Liang J, Shi J, Zhang Y, Ding C. Analysis of Salt Stress on Soil Microbial Community Composition and Its Correlation with Active Components in the Rhizosphere of Acanthopanax senticosus. Curr Microbiol 2024; 81:160. [PMID: 38695903 DOI: 10.1007/s00284-024-03687-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 04/01/2024] [Indexed: 05/16/2024]
Abstract
Salt stress can adversely affect plant seed germination, growth and development, and eventually lead to slow growth and even death of plants. The purpose of this study was to investigate the effects of different concentrations of NaCl and Na2SO4 stress on the physicochemical properties, enzyme activities, rhizosphere microbial community and seven active components (L-phenylalanine, Protocatechuic acid, Eleutheroside B, Chlorogenic acid, Caffeic acid, Eleutheroside E, Isofraxidin) of Acanthopanax senticosus rhizosphere soil. Statistical analysis was used to explore the correlation between the rhizosphere ecological factors of Acanthopanax senticosus and its active components. Compared with Acanthopanax senticosus under NaCl stress, Na2SO4 generally had a greater effect on Acanthopanax senticosus, which reduced the richness of fungi in rhizosphere soil and adversely affected the content of multiple active components. Pearson analysis showed that pH, organic matter, ammonium nitrogen, available phosphorus, available potassium, catalase and urease were significantly correlated with active components such as Caffeic acid and Isofraxidin. There were 11 known bacterial genera, 12 unknown bacterial genera, 9 known fungal genera and 1 unknown fungal genus significantly associated with the active ingredient. Salt stress had great changes in the physicochemical properties, enzyme activities and microorganisms of the rhizosphere soil of Acanthopanax senticosus. In conclusion, different types and concentrations of salts had different effects on Acanthopanax senticosus, and the active components of Acanthopanax senticosus were regulated by rhizosphere soil ecological factors.
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Affiliation(s)
- Wenhui Yuan
- College of Pharmacy, Heilongjiang University of Traditional Chinese Medicine, Harbin, China
| | - Shouyu Wang
- College of Pharmacy, Heilongjiang University of Traditional Chinese Medicine, Harbin, China
| | - Jingru Liang
- College of Pharmacy, Heilongjiang University of Traditional Chinese Medicine, Harbin, China
| | - Jiajie Shi
- College of Pharmacy, Heilongjiang University of Traditional Chinese Medicine, Harbin, China
| | - Yang Zhang
- College of Pharmacy, Heilongjiang University of Traditional Chinese Medicine, Harbin, China
| | - Changhong Ding
- College of Pharmacy, Heilongjiang University of Traditional Chinese Medicine, Harbin, China.
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Seth D, Athparia M, Singh A, Rathore D, Venkatramanan V, Channashettar V, Prasad S, Maddirala S, Sevda S, Kataki R. Sustainable environmental practices of tea waste-a comprehensive review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-30848-3. [PMID: 37991614 DOI: 10.1007/s11356-023-30848-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 10/30/2023] [Indexed: 11/23/2023]
Abstract
Tea, the major beverage worldwide, is one of the oldest commercial commodities traded from ancient times. Apart from many of its advantages, including health, socio-economic, climatic, and agro-ecological values, FAO has recognized that the tea value chain covering its growth in the field, processing and marketing, and finally, the hot cup at the user's hand needs to be made sustainable during all these stages. Tea generates a lot of waste in different forms in different stages of its growth and processing, and these wastes, if not managed properly, may cause environmental pollution. A planned utilization of these wastes as feedstocks for various processes can generate more income, create rural livelihood opportunities, help grow tea environmentally sustainable, avoid GHG emissions, and make a real contribution to SDGs. Thermochemical and biological conversion of tea wastes generates value-added products. This review provides an overview on the impacts of the tea wastes on the environment, tea waste valorization processes, and applications of value-added products. The application of value-added products for energy generation, wastewater treatment, soil conditioners, adsorbents, biofertilizers, food additives, dietary supplements, animal feed bioactive chemicals, dye, colourant, and phytochemicals has been reviewed. Further, the challenges in sustainable utilization of tea wastes and opportunities for commercial exploitation of value-added products from tea wastes have been reviewed.
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Affiliation(s)
- Dibyakanta Seth
- Department of Food Process Engineering, National Institute of Technology Rourkela, Rourkela, Odisha, 769008, India
| | - Mondita Athparia
- Department of Energy, Tezpur University, Tezpur, 784028, Assam, India
| | - Anoop Singh
- Department of Scientific and Industrial Research (DSIR), Ministry of Science and Technology, Government of India, Technology Bhawan, New Mehrauli Road, New Delhi, 110016, India
| | - Dheeraj Rathore
- School of Environment and Sustainable Development, Central University of Gujarat, Gandhinagar, 382030, Gujarat, India
| | - Veluswamy Venkatramanan
- Department of Environmental Studies, Indira Gandhi National Open University, New Delhi, 110068, India
| | - Veeranna Channashettar
- Environmental and Industrial Biotechnology Division, The Energy and Resources Institute, Lodhi Road, New Delhi, 110003, India
| | - Shiv Prasad
- Division of Environment Science, ICAR-Indian Agricultural Research Institute, New Delhi, 110012, India
| | - Shivani Maddirala
- Environmental Bioprocess Laboratory, Department of Biotechnology, National Institute of Technology Warangal, Warangal, 506004, Telangana, India
| | - Surajbhan Sevda
- Environmental Bioprocess Laboratory, Department of Biotechnology, National Institute of Technology Warangal, Warangal, 506004, Telangana, India
| | - Rupam Kataki
- Department of Energy, Tezpur University, Tezpur, 784028, Assam, India.
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Fertahi S, Elalami D, Tayibi S, Taarji N, Lyamlouli K, Bargaz A, Oukarroum A, Zeroual Y, El Bouhssini M, Barakat A. The current status and challenges of biomass biorefineries in Africa: A critical review and future perspectives for bioeconomy development. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 870:162001. [PMID: 36739012 DOI: 10.1016/j.scitotenv.2023.162001] [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: 10/21/2022] [Revised: 01/25/2023] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
Africa benefits from diverse biomasses that are rich in high-added value materials and precursors for energy, food, agricultural, cosmetic and medicinal applications. Many African countries are interested in valorizing biomasses to develop efficient and integrated biorefinery processes and their use for local and regional economic development. Thus, this report critically reviews the current status of African biomass richness, its diversity, and potential applications. Moreover, particular attention is given to bioenergy production, mainly by biological and thermochemical conversion processes. This also includes biomass valorization in agriculture, particularly for the production of plant-based biostimulants, which are a potential emerging agri-input sector worldwide. This study points out that even though several processes for biofuel, biogas, biofertilizer and biostimulant production have already been established in Africa, their development on a larger scale remains limited. This study also reports the different socioeconomic and political aspects of biomass applications, along with their challenges, opportunities, and future research perspectives, to promote concrete technologies transferable into an industrial level.
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Affiliation(s)
- Saloua Fertahi
- Mohammed VI Polytechnic University (UM6P), Benguerir 43150, Morocco
| | - Doha Elalami
- Mohammed VI Polytechnic University (UM6P), Benguerir 43150, Morocco
| | - Saida Tayibi
- Mohammed VI Polytechnic University (UM6P), Benguerir 43150, Morocco
| | - Noamane Taarji
- Mohammed VI Polytechnic University (UM6P), Benguerir 43150, Morocco
| | - Karim Lyamlouli
- Mohammed VI Polytechnic University (UM6P), Benguerir 43150, Morocco
| | - Adnane Bargaz
- Mohammed VI Polytechnic University (UM6P), Benguerir 43150, Morocco
| | | | - Youssef Zeroual
- OCP Innovation, SBU Fertilizers and Farmers solutions, Industrial Complex Jorf Lasfar, BP 118 El Jadida, Morocco
| | | | - Abdellatif Barakat
- Mohammed VI Polytechnic University (UM6P), Benguerir 43150, Morocco; IATE, University of Montpellier, INRAE, Agro Institut, Montpellier 34060, France.
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Talib Hamzah H, Sridevi V, Seereddi M, Suriapparao DV, Ramesh P, Sankar Rao C, Gautam R, Kaka F, Pritam K. The role of solvent soaking and pretreatment temperature in microwave-assisted pyrolysis of waste tea powder: Analysis of products, synergy, pyrolysis index, and reaction mechanism. BIORESOURCE TECHNOLOGY 2022; 363:127913. [PMID: 36089130 DOI: 10.1016/j.biortech.2022.127913] [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: 07/26/2022] [Revised: 09/01/2022] [Accepted: 09/03/2022] [Indexed: 06/15/2023]
Abstract
This study focuses on microwave-assisted pyrolysis (MAP) of fresh waste tea powder and torrefied waste tea powder as feedstocks. Solvents including benzene, acetone, and ethanol were used for soaking feedstocks. The feedstock torrefaction temperature (at 150 °C) and solvents soaking enhanced the yields of char (44.2-59.8 wt%) and the oil (39.8-45.3 wt%) in MAP. Co-pyrolysis synergy induced an increase in the yield of gaseous products (4.7-20.1 wt%). The average heating rate varied in the range of 5-25 °C/min. The energy consumption in MAP of torrefied feedstock (1386 KJ) significantly decreased compared to fresh (3114 KJ). The pyrolysis index dramatically varied with the solvent soaking in the following order: ethanol (26.7) > benzene (25.6) > no solvent (10) > acetone (6). It shows that solvent soaking plays an important role in the pyrolysis process. The obtained bio-oil was composed of mono-aromatics, poly-aromatics, and oxygenated compounds.
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Affiliation(s)
- Husam Talib Hamzah
- Department of Chemical Engg, AU College of Engineering (A), Andhra University, Visakhapatnam 530003, India
| | - Veluru Sridevi
- Department of Chemical Engg, AU College of Engineering (A), Andhra University, Visakhapatnam 530003, India
| | - Meghana Seereddi
- Department of Chemical Engg, AU College of Engineering (A), Andhra University, Visakhapatnam 530003, India
| | - Dadi V Suriapparao
- Department of Chemical Engineering, Pandit Deendayal Energy University, Gandhinagar 382007, India.
| | - Potnuri Ramesh
- Department of Chemical Engineering, National Institute of Technology Karnataka, Surathkal 575025, India
| | - Chinta Sankar Rao
- Department of Chemical Engineering, National Institute of Technology Karnataka, Surathkal 575025, India
| | - Ribhu Gautam
- Clean Combustion Research Center, King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia
| | - Fiyanshu Kaka
- Department of Metallurgical and Materials Engineering, Defence Institute of Advanced Technology, Pune 411025, India
| | - Kocherlakota Pritam
- Department of Mathematics, Pandit Deendayal Energy University, Gandhinagar 382007, India
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Suriapparao DV, Sridevi V, Ramesh P, Sankar Rao C, Tukarambai M, Kamireddi D, Gautam R, Dharaskar SA, Pritam K. Synthesis of sustainable chemicals from waste tea powder and Polystyrene via Microwave-Assisted in-situ catalytic Co-Pyrolysis: Analysis of pyrolysis using experimental and modeling approaches. BIORESOURCE TECHNOLOGY 2022; 362:127813. [PMID: 36031137 DOI: 10.1016/j.biortech.2022.127813] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/16/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
In the current study, catalytic co-pyrolysis was performed on waste tea powder (WTP) and polystyrene (PS) wastes to convert them into value-added products using KOH catalyst. The feed mixture influenced the heating rates (17-75 °C/min) and product formation. PS promoted the formation of oil and WTP enhanced the char formation. The maximum oil yield (80 wt%) was obtained at 15 g:5 g, and the maximum char yield (44 wt%) was achieved at 5 g:25 g (PS:WTP). The pyrolysis index (PI) increased with the increase in feedstock quantity. High PI was noticed at 25 g:5 g, and low PI was at 5 g:5 g (PS:WTP). Low energy consumption and low pyrolysis time enhanced the PI value. Significant interactions were noticed during co-pyrolysis. The obtained bio-oil was analyzed using GC-MS and a plausible reaction mechanism is presented. Catalyst and co-pyrolysis synergy promoted the formation of aliphatic and aromatic hydrocarbons by reducing the oxygenated products.
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Affiliation(s)
- Dadi V Suriapparao
- Department of Chemical Engineering, Pandit Deendayal Energy University, Gandhinagar 382007, India.
| | - Veluru Sridevi
- Department of Chemical Engg, AU College of Engineering (A), Andhra University, Visakhapatnam 530003, India
| | - Potnuri Ramesh
- Department of Chemical Engineering, National Institute of Technology Karnataka, Surathkal 575025, India
| | - Chinta Sankar Rao
- Department of Chemical Engineering, National Institute of Technology Karnataka, Surathkal 575025, India
| | - M Tukarambai
- Department of Chemical Engg, AU College of Engineering (A), Andhra University, Visakhapatnam 530003, India
| | - Dinesh Kamireddi
- Department of Chemical Engg, AU College of Engineering (A), Andhra University, Visakhapatnam 530003, India
| | - Ribhu Gautam
- Clean Combustion Research Center, King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia
| | - Swapnil A Dharaskar
- Department of Chemical Engineering, Pandit Deendayal Energy University, Gandhinagar 382007, India
| | - Kocherlakota Pritam
- Department of Mathematics, Pandit Deendayal Energy University, Gandhinagar 382007, India
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Hou Q, Lin S, Ni Y, Yao L, Huang S, Zuo T, Wang J, Ni W. Assembly of functional microbial communities in paddy soil with long-term application of pig manure under rice-rape cropping system. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 305:114374. [PMID: 34953225 DOI: 10.1016/j.jenvman.2021.114374] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 12/08/2021] [Accepted: 12/20/2021] [Indexed: 06/14/2023]
Abstract
Organic farming is considered an efficient approach to improve soil fertility for sustainable agriculture. However, its soil micro-ecological effects and functions in intensive rice cropping systems are still obscure. Twelve soil samples were collected from a field experiment with four treatments such as M0 (no pig manure), M1 (1.6 t ha-1 pig manure), M2 (3.2 t ha-1 pig manure) and M3 (4.8 t ha-1 pig manure) after eight rice-oilseed rape rotation. Soil chemical property, enzyme activity and abundant/rare bacterial or fungal communities were analyzed to investigate the effect of conversion to organic farming with continuous pig manure application on soil microbiota. Stochastic processes controlled the assembly of abundant taxa, and deterministic processes dominated rare taxa. The composition and network construction of bacterial and fungal communities were significantly affected by pig manure, with changes in soil property and enzyme activity. Based on partial least squares path modeling (PLS-PM), pig manure application affected bacteria construction and enzyme activities by increasing soil carbon (C) and nitrogen (N). In summary, long-term pig manure application promotes specific microbial associations known to be involved in degrading complex organic compounds, and improving soil fertility such as soil enzyme activities. This research provides insight into understanding the processes behind changes in bacterial and fungal communities in paddy soil after conversion to organic farming.
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Affiliation(s)
- Qiong Hou
- College of Environmental and Resource Sciences, Zhejiang University, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Hangzhou, 310058, PR China
| | - Sen Lin
- College of Environmental and Resource Sciences, Zhejiang University, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Hangzhou, 310058, PR China
| | - Yuemin Ni
- Agricultural Experimental Station, Zhejiang University, Hangzhou, 310058, China
| | - Longren Yao
- College of Environmental and Resource Sciences, Zhejiang University, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Hangzhou, 310058, PR China
| | - Shan Huang
- College of Environmental and Resource Sciences, Zhejiang University, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Hangzhou, 310058, PR China
| | - Ting Zuo
- College of Environmental and Resource Sciences, Zhejiang University, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Hangzhou, 310058, PR China
| | - Jian Wang
- College of Environmental and Resource Sciences, Zhejiang University, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Hangzhou, 310058, PR China
| | - Wuzhong Ni
- College of Environmental and Resource Sciences, Zhejiang University, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Hangzhou, 310058, PR China.
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Salt-Tolerant Compatible Microbial Inoculants Modulate Physio-Biochemical Responses Enhance Plant Growth, Zn Biofortification and Yield of Wheat Grown in Saline-Sodic Soil. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18189936. [PMID: 34574855 PMCID: PMC8467820 DOI: 10.3390/ijerph18189936] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/10/2021] [Accepted: 09/18/2021] [Indexed: 11/17/2022]
Abstract
A wide range of root-associated mutualistic microorganisms have been successfully applied and documented in the past for growth promotion, biofertilization, biofortification and biotic and abiotic stress amelioration in major crops. These microorganisms include nitrogen fixers, nutrient mobilizers, bio-remediators and bio-control agents. The present study aimed to demonstrate the impact of salt-tolerant compatible microbial inoculants on plant growth; Zn biofortification and yield of wheat (Triticum aestivum L.) crops grown in saline-sodic soil and insight of the mechanisms involved therein are being shared through this paper. Field experiments were conducted to evaluate the effects of Trichoderma harzianum UBSTH-501 and Bacillus amyloliquefaciens B-16 on wheat grown in saline-sodic soil at Research Farm, ICAR-Indian Institute of Seed Sciences, Kushmaur, India. The population of rhizosphere-associated microorganisms changed dramatically upon inoculation of the test microbes in the wheat rhizosphere. The co-inoculation induced a significant accumulation of proline and total soluble sugar in wheat at 30, 60, 90 and 120 days after sowing as compared to the uninoculated control. Upon quantitative estimation of organic solutes and antioxidant enzymes, these were found to have increased significantly in co-inoculated plants under salt-stressed conditions. The application of microbial inoculants enhanced the salt tolerance level significantly in wheat plants grown in saline-sodic soil. A significant increase in the uptake and translocation of potassium (K+) and calcium (Ca2+) was observed in wheat co-inoculated with the microbial inoculants, while a significant reduction in sodium (Na+) content was recorded in plants treated with both the bio-agents when compared with the respective uninoculated control plants. Results clearly indicated that significantly higher expression of TaHKT-1 and TaNHX1 in the roots enhances salt tolerance effectively by maintaining the Na+/K+ balance in the plant tissue. It was also observed that co-inoculation of the test inoculants increased the expression of ZIP transporters (2–3.5-folds) which ultimately led to increased biofortification of Zn in wheat grown in saline-sodic soil. Results suggested that co-inoculation of T. harzianum UBSTH-501 and B. amyloliquefaciens B-16 not only increased plant growth but also improved total grain yield along with a reduction in seedling mortality in the early stages of crop growth. In general, the present investigation demonstrated the feasibility of using salt-tolerant rhizosphere microbes for plant growth promotion and provides insights into plant-microbe interactions to ameliorate salt stress and increase Zn bio-fortification in wheat.
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The Opportunity of Valorizing Agricultural Waste, Through Its Conversion into Biostimulants, Biofertilizers, and Biopolymers. SUSTAINABILITY 2021. [DOI: 10.3390/su13052710] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The problems arising from the limited availability of natural resources and the impact of certain anthropogenic activities on the environment must be addressed as soon as possible. To meet this challenge, it is necessary, among other things, to reconsider and redesign agricultural systems to find more sustainable and environmentally friendly solutions, paying specific attention to waste from agriculture. Indeed, the transition to a more sustainable and circular economy should also involve the effective valorization of agricultural waste, which should be seen as an excellent opportunity to obtain valuable materials. For the reasons mentioned above, this review reports and discusses updated studies dealing with the valorization of agricultural waste, through its conversion into materials to be applied to crops and soil. In particular, this review highlights the opportunity to obtain plant biostimulants, biofertilizers, and biopolymers from agricultural waste. This approach can decrease the impact of waste on the environment, allow the replacement and reduction in the use of synthetic compounds in agriculture, and facilitate the transition to a sustainable circular economy.
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