LIU Ying,LI Yu-ying,LIU Feng-ge,et al.Balanced Fertilization of Nitrogen,Phosphorus and Potassium Enhanced Accumulation of Nitrogen Compound and Yield of High -oil Soybean[J].Soybean Science,2008,27(04):645-647,653.[doi:10.11861/j.issn.1000-9841.2008.04.0645]
氮磷钾营养对高油大豆含氮化合物积累及产量的影响
- Title:
- Balanced Fertilization of Nitrogen,Phosphorus and Potassium Enhanced Accumulation of Nitrogen Compound and Yield of High -oil Soybean
- 文章编号:
- 1000-9841(2008)04-0645-03
- Keywords:
- Nitrogen; Phosphorus; Potassium; High oil soybean; Nitrogenous compound
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 为研究高油大豆优质、高产的氮、磷、钾最佳配比,采用高油品种黑农41,按照二次饱和D-最优设计设置氮、磷、钾肥的盆栽试验。结果表明:平衡施肥对高油大豆含氮化合物积累有显著的促进作用。在氮磷钾三要素中,氮素对可溶蛋白质、游离氨基酸含量、硝酸还原酶活性及硝态氮含量积累的贡献最大。其中,平衡施肥各处理与不施肥处理相比可溶蛋白质、游离氨基酸含量、硝酸还原酶活性及硝态氮含量平均增加了51.7%,110.42%,185.48%和278.52%。从产量上看,不施氮、磷、钾肥与最佳产量处理相比分别减产27.4%,23.0%和14.6%。综合生理指标与产量结果,氮磷钾肥的适宜用量分别为0.34, 0.8, 0.18 g.kg-1土。
- Abstract:
- In order to achieve high quality and yield of soybean by optimal application of nitrogen,phosphorus and potassium,we set pot examination of nitrogen,phosphorus and potassium according to the project of quadric saturation-D optimization design with soybean cultivar Heinong 41 as material.The result showed that balanced fertilization had positive effect on the accumulation of nitrogenous compound in high oil soybean.Nitrogen affected the content of soluble protein,free amino acid,NR and NO3--N most among the fertilizers of nitrogen,phosphorus and potassium.Comparing with CK,the content of soluble protein,free amino acid,nitrate reductase(NR)and NO3--N of the treatments of balanced fertilization increased 51.7%,110.42%,185.48% and 278.52%.The yield of treatment without nitrogen,phosphorus and potassium decreased 27.4%,23.0% and 14.6% comparing with the optimal yield treatment.According to the physiological indices and the yield performance,it suggested that the fitting amount of nitrogen,phosphorus and potassium were 0.34,0.8 and 0.18 g.kg-1soil.
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备注/Memo
基金项目:农业部植物营养与养分循环重点开放实验室和国际植物研究所(IPNI)资助项目。