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耕地土壤施肥分区是测土配方施肥技术的重要内容。通过利用金山区测土配方施肥补贴项目获得的大量理化指标数据,摸清了金山区土壤养分分布状况,根据主栽作物对氮、磷、钾及中微量元素需求规律,对照土壤养分丰缺状况、耕地土壤类型分布、行政区划及肥料效应,划分了施肥分区,并提出了各施肥分区的施肥对策。
Soil fertility zoning is an important part of soil testing and fertilizer technology. Through the use of a large number of physical and chemical indicators obtained by the project of soil testing and fertilization of Jinshan District to find out the distribution of soil nutrients in Jinshan District, according to the demand of main crops for nitrogen, phosphorus, potassium and trace elements, , The distribution of cultivated land soil types, administrative divisions and fertilizer effects, the division of fertilization zoning and put forward fertilization countermeasures of each fertilization zoning.