Calcium cyanamide (common name "lime nitrogen") is a traditional nitrogen fertilizer. It has been in the fertilizer list of China, and it has been exempted from registration due to its long history and good effect. It only implements enterprise filing. From the end of the last century, the Ministry of Agriculture will It is recommended as a premium fertilizer.
However, if only calcium cyanamide is treated as a general nitrogen fertilizer, it is not comprehensive and scientific. Calcium cyanamide contains 22% pure nitrogen and contains essential or beneficial nutrients for medium and trace elements such as calcium, silicon, magnesium, iron and manganese. It also contains about 10% carbon. Among the various trace elements, the elemental calcium content reaches 46%. In addition to the calcium required for the supply of plants, a large amount of calcium can also increase the soil pH, improve the acid soil, and improve the soil micro-ecological environment. Helps kill and inhibit the effects of harmful bacteria. The silicon contained in calcium cyanamide is very beneficial to plants, especially for grass crops. In addition, calcium, manganese, iron and other trace elements contained in calcium cyanamide are also indispensable for plant growth.
Regarding carbon, according to the existing research results, carbon nutrition in soil is one of the most important nutrients for maintaining crop growth. Rich carbon pool is the material basis for soil microbes to survive and maintain diversity, and to maintain soil micro-ecological balance. Important environmental factors.
With the development of fossil energy, the reduction of forest area and the degradation of soil organic matter, the soil carbon pool is declining year by year. Using various methods to increase soil organic matter content and increase carbon nutrition is one of the important ways to increase crop income. The rich carbon contained in calcium cyanamide is beneficial to the accumulation of soil carbon pool.
In summary, calcium cyanamide is a multi-fertilizer, multi-functional high-quality fertilizer.
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