Cotton seedlings, skillful application, base fertilizer, increase production

The seedlings of the nursery seedlings are fertilized early and the mature manure and the decomposed organic fertilizer are applied, and the compound fertilizer is applied in an appropriate amount. Generally, the compound fertilizer with a nitrogen, phosphorus and potassium content of 45% is applied in the seedbed of 10 square meters, 0.5~0.7 kg, and should not be applied. Urea is used as the base fertilizer for the seedbed.

The base fertilizer of cotton field is to increase the application of various organic fertilizers or bio-organic compound fertilizers; the second is to formulate fertilization, balanced fertilization, nitrogen, phosphorus and potassium in a ratio of 3:1:3; third is insect-resistant cotton. It is necessary to increase the application of potassium fertilizer, the base fertilizer per mu is not less than 15 kg, and the application of zinc fertilizer is 0.5-0.7 kg, and the holding boron is 0.4 kg; the fourth is the appropriate amount of fertilization, it is not appropriate to blindly pursue the quantity, and the high-yield ternary compound fertilizer per acre. 25~30kg can be used; the fifth is to apply the fertilizer to the ditching strip or the hole application, and the root of the cotton seedling should keep a certain distance from the fertilizer.

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