Organic matter in soil refers to organic compounds containing carbon in various forms in the soil. It is an important part of soil and an important indicator of soil fertility. It has a great influence on soil physical and chemical properties and fertility factors. In recent years, due to large-scale application of chemical fertilizers, little or no application of organic fertilizers has seriously affected the effective supply of nutrients to crops, and it has been difficult to increase grain yield. Therefore, it is imperative to improve soil organic matter. The application of organic manure is a good soil improver. It can not only ripen the soil, maintain the good structure of the soil, but also enhance the fertilizer, fertilizer and buffer capacity of the soil, and continuously supply the nutrients needed for the growth of the crops. Create good soil conditions. Promote the technology of straw stalk return to wheat, rice, corn, etc., and return stalks to the field, and apply anti-corrosion agent technology, which can not only effectively use organic fertilizer resources, but also improve soil structure, enhance soil fertility and fertilizer supply, and save fertilizer input. Reduce production costs and increase farmers' income. Interplant crop interplanting rotation technology In recent years, crop multiple cropping index has become higher and higher, resulting in a reduction in many soil organic matter contents and a decrease in fertility. The implementation of crop rotation, intercropping system, and adjustment of planting structure to achieve a combination of land use and land conservation can not only maintain and increase soil organic matter content, but also improve the quality of agricultural products, and is of great significance in promoting the sustainable development of agriculture. Green manure cultivation based on local conditions can provide rich organic matter and nitrogen for the soil, improve the agricultural ecological environment and physical and chemical properties of the soil, promote the combination of land use and land management, reduce the continuous cropping obstacles and the use of chemical fertilizers, and increase soil organic matter content. Soil testing, formula fertilization, soil testing, and formula fertilization are based on soil nutrient testing and fertilizer field experiments. Based on the laws of crop manure requirements, soil nutrient supply performance, and fertilizer effects, based on the rational application of organic fertilizer, nitrogen, phosphorus, and potassium are proposed. The application quantity, fertilization period and fertilization method of the medium and trace elements. It can meet the balanced absorption of various nutrients in crops, achieve organic and inorganic nutrient balance, reduce nutrient loss and environmental pollution, and greatly increase crop yields.
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An Effective Way to Improve Soil Organic Matter