如何正确选择和合理施用配方肥料

2025-04-08 06:21:13
推荐回答(1个)
回答1:

配方肥料的供应的原则:是根据各县主要作物品种的面积、区划,对已研制的合理配方,按照“大配方、小调整”的原则,充分考虑批量化生产的可行性,优化肥料配方,省级土壤肥料技术部门通过媒体向社会公布配方,引导企业生产供应配方肥,指导农民科学合理施用配方肥。

配方肥料合理施用:在养分需求与供应平衡的基础上,坚持有机肥料与无机肥料相结合,坚持大量元素与中量元素、微量元素相结合;坚持基肥与追肥相结合。在确定肥料用量和肥料配方后,合理施肥的重点是选择肥料种类、确定施肥时期、比例和施肥方法等。
配方肥料种类:根据土壤性状、肥料特性、作物营养特性,肥料资源等综合因素确定肥料种类,可选择单质或复混肥料自行配制配方肥料,也可直接购买配方肥料。

施肥时期:根据肥料性质和植物营养特性,适时施肥。植物生长旺盛和吸收养分的关键时期应重点施肥,有灌溉条件的地区应分期施肥,对作物不同时期氮肥推荐量的确定,有条件区域应建立并采用实时监控技术。

施肥方法:常用的施肥方式有撒施后耕翻,条施、穴施等,应根据作物种类,栽培方式、肥料性质等选择适宜施肥方法。列如配方肥料一般作为基肥施用,撒施后结合整地翻入土壤。

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