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复合肥料含有氮磷钾三要素中两种以上成分,具有养分含量高施用方便,减少购买多种单一肥料的麻烦,节省成本和劳力等优点,深受广人农民次迎。下面就复合肥在配方施肥中如何正确使用谈谈看法。一、根据配方选用复肥品种配方施肥中肥料配方的提出,是根据土壤、作物状况进行产前定肥定量的。作物目标产量确定后,按产量的要求,算出该作物氮磷钾的吸收需要量,再根据土壤养分的测定值计算上壤供肥情况,以确定氮磷钾
Compounded fertilizer contains two or more of the three elements of NPK, which has the advantages of high nutrient content and convenient application, reduces the trouble of purchasing a variety of single fertilizers, saves cost and labor, and is widely welcomed by many peasants. Here’s how to use fertilizer in formula fertilizer correctly talk about the views. First, according to the formula selection of compound fertilizer formula Fertilization in the formulation of fertilizer is based on soil, crop conditions for prenatal fertilizer quantitative. After the crop yield is determined, the demand for nitrogen, phosphorus, and potassium of the crop is calculated according to the yield requirements. Then, the fertilizer supply to the soil is calculated based on the measured values of soil nutrients to determine the content of nitrogen, phosphorus, and potassium