Nitramide-based compound fertilizer is a relatively popular compound fertilizer variety in recent years. It is suitable for economic crops such as vegetables and fruit trees. Compared with urine-based compound fertilizers commonly used in China, it has the effects of rapid fertilizer efficiency, drought resistance, and improved crop quality. The newly-built compound fertilizer companies in the recent three years basically adopted the nitrosulfide-based process. The original National Standard for Compound Fertilizer GB15063-2009 has no clear definition of nitro-nitrogen, and “nitrogen-containing nitrogen†is also a warning language. Many urine-based compound fertilizers are also marked with "nitrosulfide" on the packaging bag. True-and-nitrogen-sulfur-based fertilizers can be described as being mixed with fish and dragons. Farmers can carry out simple identification on the packaging bags. First, they are not marked with the words "This product contains biuret", if they are, they are certainly not nitro products; second, they look at the content of chloride, if they are labeled "low chlorine." , chlorine, chlorine, etc., indicating that it is not a sulfuric acid base fertilizer. The "biuret-containing" and "chlorine-containing" indicators are the contents that must be identified by the national standards. If they are contained, they are unqualified products.
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