Five benefits of organic fertilizer.
1. Provide comprehensive nutrients.
Organic fertilizer is a complete fertilizer which contains the nutrients and various beneficial elements needed by crops, and the nutrient ratio is comprehensive, which is conducive to crop absorption. Therefore, the more organic fertilizer is applied, the more beneficial the balance of soil nutrient ratio, the more beneficial the absorption and utilization of soil nutrients by crops, and the more organic fertilizer will not cause a large increase in soil nutrients and destroy soil nutrients balance.
2. Reduce nutrient fixation and improve nutrient availability
Organic fertilizers contain many organic acids, humic acids, hydroxyl and other substances. They all have strong chelating ability and can chelate with many metal elements such as manganese, aluminum, iron, etc. to form chelates, which can reduce the effect of manganese ion on crop The harm. It can also prevent aluminum and phosphorus from combining into closed storage phosphorus that is difficult to be absorbed by crops and become invalid, greatly improving the effectiveness of soil available phosphorus.
3. Promote the breeding of soil microorganisms
Organic fertilizers contain a large amount of organic matter and are a place where various microorganisms grow and breed. According to research, deep tillage combined with application of organic fertilizer, soil nitrogen-fixing bacteria nearly doubled compared with the control, fiber decomposing bacteria increased nearly twice, and other microbial communities also increased significantly, so applying organic fertilizer can greatly promote the maturation process of newly reclaimed land.
4. Improve soil fertility and water retention capacity
All organic fertilizers have strong cation substitution ability, can absorb more potassium, ammonium, magnesium, zinc and other nutrients, prevent leaching and improve soil fertility retention ability, especially decomposed organic fertilizer. obvious. In addition, organic fertilizer also has a strong buffering capacity, which can prevent acidity changes and soil compaction caused by long-term application of chemical fertilizers, improve the soil’s own stress resistance, and ensure a good soil ecological environment.
5. Accelerate the formation of soil aggregates and improve soil physical and chemical properties
Organic-inorganic aggregates are an important indicator of soil fertility. The more its content, the better the physical properties of the soil, the more fertile the soil, the stronger the soil, water, and fertilizer retention capabilities, the better the aeration performance, and the more conducive to the growth of crop roots.
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