Increase organic fertilization by applying manure, manure, manure, compost, manure, green manure, and other agricultural fertilizers with high organic matter content to increase and maintain soil organic manure, where fertilizer can be applied in large quantities (river mud, peat, etc.), It has a significant effect on increasing soil organic matter content.
Straw returning straw to the field is an effective measure to improve the soil and increase soil productivity. One is that the straw is applied to the soil after being piled. The other is that after the crop is harvested, the straw is chopped and sprinkled on the surface and then turned over with a plow to return the field directly. This can improve the physical properties of the soil and promote the soil aggregate structure. Formation, increase air permeability, permeability, fertility, thereby enhancing soil fertility.
Reasonable implementation of the crop rotation should be based on the characteristics of different crops, arrange the appropriate rotation sequence, and appropriately increase the planting area of ​​legume crops to minimize the area of ​​replanting and ploughing. In the process of rotation, planting leguminous crops for three years will increase the nitrogen content in soil. At the same time, after legume green manure crops are turned into soil, a large number of roots, stems, and leaves can increase soil organic matter, improve soil properties, and increase soil quality. Fertility. For example, corn does not have strict requirements on the crops of former crops, but it is best for legumes. Corn is resistant to short-term continuous cropping, but in order to obtain higher yields, it is necessary to increase the input of fertilizers. There are fewer weeds in corn fields and it is a good frontier for many crops.
The legumes and melon crops do not weigh and do not pluck, and they need to be rotated for more than five years. This will help restore the soil strength, that is, control diseases and increase economic output.
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