How to apply fertilizer well

Fertilizers are applied in crop cultivation and each has its own characteristics. For example, organic and inorganic fertilizers, solid and liquid fertilizers, a large number of elements and trace elements, single fertilizers and compound fertilizers. Different fertilizers should adopt different fertilization techniques. Generally, slow-acting fertilizers such as organic fertilizers and compound fertilizers should be used as base fertilizers, quick-acting fertilizers as top dressings, and inorganic fertilizers combined with organic fertilizers. The application method should be different for volatile fertilizers such as ammonium sulfate, ammonium nitrate, and ammonium bicarbonate. It is best to apply it to the deep layer of soil, which is beneficial to improve fertilizer efficiency, avoid fertilization and cause fertilizer to contact with seeds and seedlings, prevent burning of seedlings, and apply to phosphorus and potassium fertilizers such as superphosphate, potassium chloride and three-element compound fertilizer. The effect is not large, it should be evenly mixed into the soil layer; for the fertilizers that are easily soluble in water, such as urea, the high-nitrogen compound fertilizer adopts the effect of top dressing, in addition, it can also be used with fertilizers such as phosphorus, potassium, boron, zinc, manganese and molybdenum. Top dressing.

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