Foliar fertilization is to let the fertilizer dissolve in water and spray on the leaf surface, through the pores or stratum corneum of the leaf surface, infiltrate into the leaves for plant utilization. Not all fertilizers can be used for foliar application. Only fertilizers with higher solubility such as urea, ammonium nitrate, potassium sulfate, potassium dihydrogen phosphate, superphosphate and decomposed human excrement can be used for foliar application. The liquid chemical fertilizer should be diluted 200-500 times with water, and should be used when the temperature is low and the humidity is high. It is best to spray it in the morning. The fertilizer used should be soaked before use, so that it can be fully dissolved, and the insoluble matter can be filtered out. It can also be mixed with fungicides and insecticides to achieve a double effect.
Huaxian County Fertilizer Station Yue Xiuli
Huaxian County Fertilizer Station Yue Xiuli
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