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Look at the raw materials to understand whether the raw materials used in the products are of high quality. At present, the organic raw materials used by organic fertilizer manufacturers are soybean meal, sesame meal, sugar residue, cassava residue, bacterial protein, amino acid, humic acid, tobacco, etc., and some also add calcium powder such as bone powder and shell powder, and increase Calcium content has a significant improvement effect on fruit tree bitter disease and water heart disease.
Whether the microbial strain ratio is scientific or not, the enzyme activity of the strain is high, and the enzymatic activity of the secreted cellulase, xylanase, polygalacturonase, polygalactose lyase, etc. It can meet the requirements of industrial strains and is highly tolerant. Through the addition of excellent microbial agents, the maturity cycle can be greatly shortened and the decomposing effect can be improved.
See if the manufacturer's production line process is strict. The organic fertilizer production process includes ingredients → decomposed → granulation → cooling → sieving → packaging. The degree of maturity is extremely important. Good product maturity is high, and fertilizer efficiency is long-lasting; insufficient maturity is easy to cause crop burning.
Peasant Daily (Feng Xiaolu, Longmu Town, Da'an City, Jilin Province)
Correct purchase of organic fertilizer
Organic fertilizer can increase soil organic matter content and improve soil physical and chemical properties. It can increase the aeration, water permeability and water storage of the soil, improve the root growth environment, and enhance the water retention and fertilizer retention capacity of the soil. What elements of organic fertilizer are not provided by chemical fertilizers? Organic fertilizer provides a large amount of organic nutrients and active substances, such as amino acids, DNA, RNA, humic acid, sugars and nucleic acid degradation products, which are directly absorbed by crops and stimulate root growth. Among them, organic fertilizer contains a large number of microorganisms, which can accelerate the decomposition and circulation of organic nutrients in the soil. It is said that organic fertilizer can improve product quality. What are the specific effects? A large number of chemical fertilizers or improper ratios will lead to a decline in the quality of agricultural products. The combination of organic fertilizers and chemical fertilizers can increase the protein and amino acid content of crops, and also reduce the nitrate content of vegetables and increase the content of vitamin C. The increase in amino acid content in plants contributes to the drought resistance of plants, thereby enhancing plant resistance to stress and pests. To this end, farmers should pay attention to the following three aspects when purchasing organic fertilizer:
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