Strengthen and improve various technical measures in formula fertilization. In the process of formula fertilization, it is necessary to fully improve the fertilization parameters, such as nutrient absorption per unit yield, soil nutrient utilization rate, fertilizer utilization rate, etc. These parameters are also constantly changing with the change of production conditions. Based on the original test of soil and plant nutrient requirements In the previous section, new environmental condition analysis items (such as water quality, soil harmful substance content, fertilizer and pesticide pollution, etc.) were added to continuously enrich and improve fertilization parameters and optimize fertilization formula.
Increase the proportion of organic fertilizer in formula fertilization. Organic fertilizer has the characteristics of complete nutrients, long fertilizer efficiency, and pollution-free. High-efficiency organic fertilizer can increase soil organic matter content, improve soil water storage and fertilizer capacity, improve soil physical and chemical properties and aggregate structure, and improve the quality of agricultural products.
Increase the use of micro-fertilizers and biological fertilizers. Micro-fertilizers can balance the nutrients needed by crops, and biological fertilizers can secrete physiologically active substances through their own microorganisms, which can fix nitrogen, dissolve phosphorus, dissolve potassium, and decompose other micronutrients in the soil, and improve chemical fertilizers and organic fertilizers. The utilization rate of the soil can improve the physical and chemical properties of the soil, so that the soil can supply the best nutrients for crops, promote crop growth, increase crop yield and product quality, and at the same time decompose harmful chemicals in the soil and kill harmful bacteria. , Reduce the residual amount of chemical fertilizers, pesticides and harmful bacteria.
Coordinate the relationship between macroelements and trace elements. In formula fertilization, people often pay attention to the use of nitrogen, phosphorus, potassium and other large elements, while neglecting the application of trace element fertilizers. Increasing the application of trace elements or spraying of trace element growth agents and compound biological growth agents can balance the supply of nutrients, promote the rapid transformation of nutrients in the crops, and reduce the accumulation of harmful substances. It is to promote crop resistance, disease prevention, and increase yields. A good way of quality.
In crop fertilization, it is necessary to change the traditional way of fertilization, and turn blind fertilization into optimized formula fertilization.
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