Industry Info

How to apply NPK inorganic fertilizer scientifically

2019/02/10
In agriculture, if the application of fertilizer to crops is not scientific, the input of fertilizer is insufficient, and the proportion of fertilizer is out of balance, it will seriously affect the quality and high yield of crops. Here are some scientific methods of applying NPK inorganic fertilizers.

Rational application of NPK inorganic fertilizer. Formula fertilization technology can be used to adjust the proportion of nitrogen, phosphorus, potassium and trace elements to compose fertilizer according to the law of crop fertilizer demand, soil test results and fertilizer utilization rate. Fertilizer factories should test soil formula in advance and mix all kinds of nutrient elements proportionally and evenly to granulate in the process of fertilizer production line. These inorganic fertilizers should be applied in different stages of crop growth in order to meet the nutrient supply of the whole crop growth period and maximize the potential of crop yield increase.

Trace elements should not be neglected when applying NPK inorganic fertilizer. In addition to nitrogen, phosphorus and potassium, trace elements are also the guarantee of normal crop growth, which can not be ignored.

Nitrogen, phosphorus and potassium inorganic fertilizers were applied to roots and trace elements were sprayed on leaves. Crops can absorb nutrients through roots, but also through stems and leaves. The root system of crops is quite large, and it is the main organ of nutrient uptake. Therefore, for a large number of elements (N, P, K), root fertilization should be the main method; for trace elements, plant demand is very small, foliar spraying is the best choice.
NPK inorganic fertilizer

Fertilization should be appropriate. It is not advisable to use too much chemical fertilizer, otherwise it will not only cause waste, but also possibly have a negative effect. If the crop nitrogen fertilizer is excessive, it will cause the stem and leaf to grow crazily, lodge easily, hinder flowering, delay maturity, but reduce production.
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