How to reduce fertilizer pollution

1 Do not blindly increase the amount of fertilizer or use the same fertilizer for a long time. Scientifically master the time, frequency and dosage of fertilization. It is best to use stratified fertilization and deep fertilization to reduce fertilizer loss and improve fertilizer utilization. 2 The combination of chemical fertilizer and organic fertilizer enhances soil fertility and fertilizer utilization, reduces water and nutrient loss, and makes soil loose and prevents soil compaction. 3 Soil testing and formula fertilization, increase the amount of phosphate fertilizer, potassium fertilizer and micro-fertilizer, reduce the nitrate content in crops and improve the quality of crops through the action of phosphorus, potassium and various trace elements in the soil. 4 Formulate laws and regulations to prevent chemical fertilizer pollution and technical specifications for fertilization of pollution-free agricultural products, so that the use of fertilizers in the production process of agricultural products can be followed by rules and laws, and effectively control the pollution of chemical fertilizers on soil, water sources and agricultural products.
Huaxian Agricultural Technology Center Li Dongxia

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