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2. Increase the proportion of organic fertilizer in formula fertilization. Organic fertilizer has the characteristics of full nutrient, long-lasting fertilizer and no pollution. High-efficiency organic fertilizer can increase soil organic matter content, improve soil water storage and fertilizer retention capacity, improve soil physical and chemical properties and aggregate structure, and improve the quality of agricultural products.
3, to increase the use of micro-fertilizers and biological fertilizers, micro-fertilizer can balance the nutrients needed for crops, and biological fertilizers can also secrete physiologically active substances through their own microbes, which can play nitrogen fixation, phosphate dissolving, potassium dissolving, Decompose other micronutrients in the soil, improve the utilization rate of chemical fertilizers and organic fertilizers, improve the physical and chemical properties of the soil, enable the soil to supply various nutrients to the crops, promote crop growth, improve crop yield and product quality, and decompose the soil. Harmful chemical substances and kill harmful bacteria, reduce the residual amount of chemical fertilizers, pesticides and harmful bacteria.
4, to coordinate the relationship between a large number of elements and trace elements In formula fertilization, people often pay attention to the use of a large number of elements such as nitrogen, phosphorus, potassium, and neglect the application of trace element fertilizer. The application of trace elements or sprayed trace element growth agents and composite biological growth agents can balance the supply of nutrients, promote the rapid transformation of nutrients in crops, and reduce the accumulation of harmful substances, which is to promote crop disease resistance, disease prevention and increase yield and increase. A good way of quality.
5. In the fertilization of crops, it is necessary to change the traditional way in the past, and change the blind fertilization to optimize the formula fertilization.
Five key points to deal with excessive use of fertilizer
1. Strengthen and improve various technical measures in formula fertilization. In the process of formula fertilization, the fertilization parameters should be fully improved, such as nutrient uptake per unit of 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 addition, new environmental conditions analysis projects (such as water quality, soil harmful substances content, chemical fertilizers and pesticides pollution, etc.) are added to continuously enrich and improve fertilization parameters and optimize formula fertilization.
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