Fertilizer damage occurs from time to time on crops such as rice, wheat, rape, etc. It is common for the leaves to turn yellow, brown, dark red and even show dry symptoms. Whether using organic fertilizers or inorganic chemical fertilizers, sometimes you will see the problems of leaf curling in lighter ones, shrinkage of the leaves in heavier ones, and even death of the whole plant in severe cases.
How to avoid and prevent crop fertilizer damage? First, we must vigorously promote scientific fertilization and formula fertilization, emphasize the increase of organic fertilizers, gradually reduce the amount of chemical fertilizers, and fertilize in accordance with the target output, saving costs and increasing efficiency. Secondly, it is necessary to prevent one-time excessive and blind fertilization, regardless of inorganic fertilizer or organic fertilizer, fertilization should be divided according to the needs of the crop. Third, be careful not to use organic fertilizer that has not been fully decomposed. Fourth, deep application of base fertilizer or topdressing for dryland crops, do not spread chemical fertilizers on the ground, and advocate strip application or hole application. Rice fertilization should have clear water in the field, and fertilization should be done sooner or later in high temperature seasons. When there is water on the leaf surface, it should be top-dressed after air-drying. Fifth, we must choose authentic fertilizer varieties, obtain formal invoices, learn to protect rights according to law, and prevent being deceived.
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