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腐植酸促进菜田土壤氮磷养分利用的机制 被引量:2

Application of Humic Acids Promoting the Absorption Mechanism of Nitrogen and Phosphorus Nutrients in Vegetable Soil
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摘要 菜田的长期连作和高水肥管理,造成了菜田土壤氮磷等养分的大量积累、次生盐渍化、耕作障碍等一系列的问题。腐植酸肥料在菜田土壤中的应用,可有效促进蔬菜对氮磷养分的吸收,并有改良土壤的功效,这与腐植酸的特定结构有着密切的关系。文章简述了腐植酸在菜田土壤中促进氮磷养分吸收的机制,为腐植酸肥料的开发及其在菜田的合理施用提供了一定的理论基础。 The high water and fertilizer management in vegetable soil caused a series of problems,for instance,the accumulation of a large number of nitrogen and phosphorus in vegetable soil,secondary salinization and cultivation obstacle. Humic acid fertilizers application in vegetable soil,which can effectively promote the vegetables on the absorption of nitrogen and phosphorus nutrients,has the effect of soil improvement,which has a close relationship with the specific structure of the humic acids. A brief account of the humic acids to promote the absorption mechanism of nitrogen and phosphorus nutrients was discussed,for the development of humic acid fertilizers and the rational application of humic acid fertilizers in vegetable soil,to provide a theoretical basis.
出处 《广州化工》 CAS 2017年第4期17-19,共3页 GuangZhou Chemical Industry
基金 山东省自然科学基金(ZR2015QL009)
关键词 菜田 腐植酸 氮磷 吸收机制 vegetable soil humic acid nitrogen and phosphorus the absorption mechanism
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