How to apply fertilizer effectively

There are many fertilizers used in the cultivation of crops and they have their 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-lasting fertilizers such as organic fertilizers and compound fertilizers should be used as base fertilizers, quick-acting fertilizers as top-dressing fertilizers, and inorganic fertilizers and organic fertilizers should be used in combination. The application method should be different, for ammonium sulfate, ammonium nitrate, ammonium bicarbonate and other volatile fertilizers. It is best to apply it to the deep soil, which will help improve fertilizer efficiency, avoiding fertilizers that are too shallow to cause contact with seed, seedlings, and burning seedlings. For phosphorus and potassium fertilizers such as superphosphate, potassium chloride, and three-element compound fertilizers, they are applied topically. The effect is not great. It should be mixed evenly into the soil layer. For fertilizers that are easily soluble in water, such as urea, high-nitrogen compound fertilizers have a good top dressing effect. In addition, phosphorus, potassium, boron, zinc, manganese, molybdenum, and other fertilizers can also be used. Root dressing outside.

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