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测土配方施肥核心技术可概况为“12345”要诀:坚决贯彻一个原则:即有机肥与化肥配合施用原则;切实做到两个平衡:即氮磷钾之间及大量与微量元素之间的平衡;灵活掌握三种施肥方式:基肥、种肥和追肥;深刻领会四个施肥理论:养分归还学说、最小养分律、报酬递减率、因子综合作用律;
Soil testing and fertilization core technology can be summarized as “12345 ” Tips: resolutely implement a principle: that is, with the application of organic fertilizer and fertilizer principles; to achieve the two balances: that is, between nitrogen and phosphorus and potassium and trace elements and between Balance; balance three kinds of fertilization methods: base fertilizer, seed fertilizer and top dressing; deeply understand the four fertilization theories: the theory of nutrient return, the minimum nutrient law, the rate of return decline,