What is a new fertilizer?
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I can often hear the word 'new fertilizer', I really want to try it, but I don't know the characteristics of the new fertilizer at all. Please tell us about it.
Zhangjiawan Township, Beijing Zhang Changsuo
Mr. Zhang Changsuo:
The new type of fertilizer now refers to the ability to directly or indirectly provide the necessary nutrients for crops, regulate soil pH, improve soil structure, improve soil physical and chemical properties and biological properties, regulate or improve crop growth mechanisms, and improve fertilizer quality and A fertilizer that is of a nature or that enhances fertilizer efficiency. According to their nature and function, they can be divided into six categories:
The first category is trace element fertilizers. That is, a fertilizer having one or several trace elements indicated. This type of fertilizer contains one or more nutrients necessary for the growth and development of the crop, but requires a small amount of nutrients, including manganese, boron, zinc, molybdenum, iron, copper and the like. The main varieties on the market are: manganese sulfate, borax (boric acid), zinc sulfate, ammonium molybdate, ferrous sulfate, copper sulfate and various trace elements of fertilizer.
The second category is microbial fertilizers. a biological fertilizer, usually also called a microbial or bacterial fertilizer, consisting of one or several beneficial microorganisms, culture substrate and additives, including nitrogen-fixing bacteria, phosphorus bacteria, potassium bacteria, antibiotics, and A microbial agent that accelerates the functions of organic fertilizer rot and deodorization. Among them, nitrogen-fixing bacteria include symbiotic nitrogen-fixing bacteria, such as root-fixing nitrogen-fixing bacteria of legumes, autotrophic nitrogen-fixing bacteria and combined nitrogen-fixing bacteria. In addition to biologically active microorganisms, microbial fertilizers also contain various regulators, amino acids, and the like that regulate plant growth. The main fertilizer varieties on the market are: silicate bacteria, complex bacteria and compound microbial fertilizers.
The third category is the class of regulators. A substance that can be used to improve the physical, chemical, biological properties and plant growth mechanisms of soil. The main types are soil conditioners and plant growth regulators. The main types of soil conditioners on the market are: rice bed soil preparations and soil water retention agents. Plant growth regulators include: brassinolide, plant growth stimulating hormone, and derivatives.
The fourth category is amino acid fertilizers. That is, materials capable of providing various amino acid nutrients. At present, it mainly uses animal fur and waste materials to be processed by hydrolysis, and also uses microbial conversion to produce amino acid fertilizer. Amino acid fertilizers on the market are mostly compound amino acid fertilizers composed of amino acids and trace elements.
The fifth category is humic acid fertilizer. Rich in humic acid and a certain amount of inorganic nutrients. It is made of peat (grass carbon), lignite, weathered coal, straw and sawdust as the main raw materials, chemically treated or re-incorporated with inorganic fertilizer. It stimulates plant growth, improves soil properties and provides a small amount of nutrients. The main fertilizer varieties are: ammonium humate, biochemical fulvic acid and humic acid compound fertilizer.
The sixth category is additives (large amounts of elements). That is, the fertilizer containing the substance for improving fertilizer performance mainly includes an additive containing a moisture-absorbing agglomerate for preventing or reducing the fertilizer, an additive for suppressing the volatilization of ammonia nitrogen, and a nitrogen loss, and a digestion inhibitor. The fertilizers containing additives mainly include long-acting ammonium bicarbonate and long-acting urea. Wang engineer
China Chemical Industry News