Liu JL, Li LY, He GH, Liao SQ, Qiu RW. [Effect of nitrogen, phosphorus and potassium fertilizers on Flos Sophorae Immaturus yield and quality in hilly area of Chongqing].
Zhongguo Zhong Yao Za Zhi 2017;
42:3312-3319. [PMID:
29192440 DOI:
10.19540/j.cnki.cjcmm.20170814.003]
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Abstract
With Sophora japonica at the flowering stage as the object, the effect of nitrogen, phosphorus and potassium fertilizers on the yield composition factors, yield and quality of Flos Sophorae Immaturus (FSI) was studied. The results indicated that in early spring, nitrogen, phosphorus and potassium fertilizer on the amplification rate of S. japonica, FSI yield composition, yield and quality were different significantly, middle to high nitrogen (1.5-2.0 kg/plant) significantly increased the level of panicled clusters, raceme and flower bud number and yield. Phosphorus (1.5-2.0 kg/plant) could significantly increase the total buds of flower number and yield, potassium showed no significant increase in yield and yield components. Comprehensively considering yield and quality of FSI, nitrogen 1.5-2.0 kg/plant, phosphorus 1.5-2.0 kg/plant and potassium 0.6-0.9 kg/plant are appropriate.
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