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By returning straw to the field and using farmyard manure, the amount of chemical fertilizer can be reduced.
When the straw is returned to the field, 200 kg of straw is returned per mu, and 20% of phosphate and potassium fertilizer can be applied less, that is, 2 kg of potassium chloride and 5 kg of superphosphate are applied per mu, and the fertilizer input per mu is 15 yuan. The straw needs to consume a certain amount of nitrogen in the early stage of returning to the field, and the amount of nitrogen fertilizer should be increased in the early stage to reduce the amount of nitrogen fertilizer in the later stage.
Applying farmyard manure to farmyard fertilizer can reduce the amount of chemical fertilizer and save costs. However, the accumulation and application methods of farmyard manure will cause serious loss of nutrients and will not increase the fertilizer. Seal the work when accumulating farmyard manure to prevent the volatilization and leakage of fertilizer. Fertilizers should be fully decomposed to increase nutrient release rates and kill parasites, germs and weed seeds. Farmyard manure should generally be applied as a base fertilizer and should not be stored and applied with alkaline fertilizers such as grass ash.
When the straw is returned to the field, 200 kg of straw is returned per mu, and 20% of phosphate and potassium fertilizer can be applied less, that is, 2 kg of potassium chloride and 5 kg of superphosphate are applied per mu, and the fertilizer input per mu is 15 yuan. The straw needs to consume a certain amount of nitrogen in the early stage of returning to the field, and the amount of nitrogen fertilizer should be increased in the early stage to reduce the amount of nitrogen fertilizer in the later stage.
Applying farmyard manure to farmyard fertilizer can reduce the amount of chemical fertilizer and save costs. However, the accumulation and application methods of farmyard manure will cause serious loss of nutrients and will not increase the fertilizer. Seal the work when accumulating farmyard manure to prevent the volatilization and leakage of fertilizer. Fertilizers should be fully decomposed to increase nutrient release rates and kill parasites, germs and weed seeds. Farmyard manure should generally be applied as a base fertilizer and should not be stored and applied with alkaline fertilizers such as grass ash.
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