Controlled-release fertilizers are advanced forms of slow-release fertilizers. They mainly control the release of nutrients through the technique of coating to achieve safety, long-term and high-efficiency purposes. They are the main direction for the development of modern fertilizers, and are suitable for mechanized production, especially for the same fertilizers. Need for sowing. Controlled-release fertilizers, through the methods of coating, wrapping, and adding inhibitors, make the decomposition and release of fertilizers prolonged, which will help improve the utilization of fertilizer nutrients, thereby extending the effective period of fertilizers and promoting agricultural production. It is a key promotion of the Ministry of Agriculture. One of the fertilizers. The common controlled-release fertilizers are roughly classified into: sulfur coating (fertilizer), resin coating, urease inhibitors, etc. According to different production processes, they can be divided into chemical compounding, blending, and blending.
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