New types of fertilizers include microbial fertilizers, slow and controlled release fertilizers, and bio-organic fertilizers. Its role is to provide crops with essential nutrients, improve soil structure, improve fertilizer efficiency and so on. However, so many types of new fertilizers on the market, which type is more suitable for orchards.

Microbial fertilizer refers to a fertilizer containing a large amount of beneficial microorganisms. It consists mainly of beneficial microorganisms and the matrix required for the life activities of microorganisms. Including phosphorus and potassium decomposing bacteria that can activate phosphorus and potassium nutrients, antibiotics that can increase the resistance of crops, and decomposing bacteria that can promote the transformation of organic matter.

Slow and controlled release fertilizers combine or coat insoluble or hardly microbially degradable substances with fertilizer nutrients (mainly nitrogen), or make the fertilizer into large particles, so that the nutrients are slowly released after the fertilizer is applied to the soil. This can increase the availability of fertilizers and reduce environmental pollution.

Humic acid or a chelating agent can transform iron, manganese, copper, zinc, molybdenum, etc., which are easily fixed in soil, into substances that are easily absorbed by crops, thereby increasing the effectiveness of these nutrients in micronutrients and soils. . Because of this, some products refer to humic acids or chelating agents as "activators."

Farmers' friends should pay attention to the following two points when purchasing “new fertilizers”: First, the efficacy, nutrient content, and quality inspection standards of “new fertilizers” are not as clear as ordinary chemical fertilizers, and fertilizer costs are relatively high. Therefore, more attention must be paid to them. Prevent fake and shoddy products and select them. The second is to ask experts about or consult other people's practices about "new fertilizers" that they do not yet understand. If you don't have the bottom and you really want to use it, try it out on your own small piece of land.

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