Organic fertilizer, commonly known as farmyard fertilizer, refers to slow-acting fertilizers containing a large number of biological substances, animal and plant residues, excreta, and biological waste. Organic fertilizer not only contains a large number of elements and trace elements necessary for plants, but also contains abundant organic nutrients. Organic fertilizer is the most comprehensive fertilizer. The role of organic fertilizers in agricultural production is mainly manifested in the following aspects:
First, improve the soil, fertility fertilization organic fertilizer applied to the soil, organic matter can effectively improve soil physical and chemical status and biological characteristics, mature soil, enhance soil fertility and fertilizer supply capacity and buffer capacity, for the growth of the crop to create a good soil condition.
Second, increase production, improve quality Organic fertilizer contains a wealth of organic matter and various nutrients, providing nutrition for crops. After decomposing organic fertilizers, it provides energy and nutrients for soil microbial activities, promotes microbial activity, accelerates the decomposition of organic matter, and produces active substances that can promote the growth of crops and improve the quality of agricultural products.
Third, improve the utilization of fertilizer Organic fertilizer contains many nutrients but low relative content, slow release, and fertilizer units high nutrient content, less ingredients, release faster. The two are applied rationally and complement each other, and organic acids produced by the decomposition of organic matter can also promote the dissolution of mineral nutrients in soil and chemical fertilizers. Organic fertilizer and chemical fertilizer promote each other, which is conducive to crop absorption and increase fertilizer utilization.
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