How to apply fertilized sand land to sandy soil

In sandy soils, the organic matter content is relatively small, which is an important reason for the loose soil structure and water leakage. Therefore, sand fertilization should pay special attention to the application of organic fertilizers. Long-term application of organic fertilizers can improve the fertility of sandy soils. Since inorganic fertilizers are easily soluble in water, inorganic fertilizers applied to sandy soils are also easily lost with the flow of water. Therefore, solving the loss of water and fertilizer in sandy soils is the key to the application of inorganic fertilizers.

Nitrogen fertilizer is the most easily lost fertilizer due to its own characteristics. In the sandy soil, only a small part of the nitrogen fertilizer is absorbed and utilized by the crops. Most of them are infiltrated into the deep layers of the soil and lose their nutritional value. Therefore, nitrogen fertilizer is most suitable for application by means of "eat less meals".

Although the loss of potassium fertilizer is not as good as that of nitrogen fertilizer, it can not be ignored in the application of potassium fertilizer in sandy soil. In the topdressing, high-potency potassium fertilizer should be used to facilitate root absorption, reduce residue and loss, and avoid waste.

Nitrogen and potassium fertilizers can also be blended in the soil for application, avoiding excessive nutrient loss and improving soil function. Phosphate fertilizer and trace elements can be combined with a large amount of high-quality organic fertilizer for bottom application. The increase of organic matter in the soil can retain some nutrients, and the microorganisms can slowly decompose and release the fixed phosphorus element for vegetable absorption, and have a good effect of improving soil. .

This article URL: How to fertilize sandy land with high-efficiency fertilization method

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