The fertilizer has high nutrient content and fast fertilizer efficiency, but the duration is short, the nutrient is single, and the organic fertilizer is just the opposite. The combination of organic fertilizer and chemical fertilizer can make up for the short to meet the demand for nutrients in each growth period of the crop.
After the chemical fertilizer is applied to the soil, some nutrients are absorbed or fixed by the soil, which reduces the effectiveness of nutrients. When mixed with organic fertilizer, it can reduce the contact surface between chemical fertilizer and soil, reduce the probability of chemical fertilizer being fixed by the soil, and improve the effective nutrition. Sex.
Generally, the chemical fertilizer has a large solubility, which causes a high osmotic pressure on the soil after application, affects the absorption of nutrients and water by the crop, and increases the chance of nutrient loss. If mixed with organic fertilizers, it can promote the absorption of nutrients and water by crops.
If the alkaline soil is applied with a single chemical fertilizer, the ammonium is absorbed by the plant, and the remaining acid ions combine with the hydrogen ions in the soil to form an acid, which leads to an increase in soil acidity and an increase in soil compaction. If mixed with organic fertilizer, it can improve the buffer capacity of the soil and effectively adjust the pH.
Because organic fertilizer is the energy of microbial life, chemical fertilizer is the inorganic nutrient that supplies microbial growth and development. The combination of the two can promote the vitality of the microorganisms, thereby promoting the decomposition of the organic fertilizer. The vitality of soil microbes can also produce vitamins, biotin, niacin, etc., increase soil nutrients, increase soil vigor, and promote crop growth.
Author: Tan Yanli Source: Luliang County Agricultural Technology Promotion Center
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