The so-called organic agriculture does not use chemically synthesized pesticides, fertilizers, growth regulators and genetically modified technologies during the planting process, while soil is an important basis for organic agriculture. What is the difference between organic soil and ordinary soil? China Agricultural University concluded the following conclusions through comparative experiments:
1. The amount of earthworms in organic soil is more than that in pollution-free soil and conventional soil. The amount of earthworm per square meter of organic soil is 500~1000, and the amount of earthworm in pollution-free soil is half of that in organic soil. The amount of earthworm in common soil is only 1/4 of that in organic soil. Earthworms are a good helper for the soil. It helps the soil to loosen, breathe, sputum and soils that are more biologically self-built to resist disease and insects. Therefore, the soil is healthy. However, soils that use pesticides and fertilizers for a long time have little or no cockroaches.
2. The organic matter content in organic soil is high. The content of organic matter in organic soil, pollution-free soil and common soil decreased in turn. Organic matter can provide a lot of nutrients and can absorb a large amount of trace elements, and the grown plants will be highly nutritious; and many organisms are more likely to survive. The higher the biodiversity, the stronger the soil's ability to resist disease itself, instead of A lot of pesticides are needed to control.
3. Organic soil has more water than conventional soil, blackening, more agglomerate structure, water retention and fertilizer retention, and good gas permeability.
Therefore, organic agriculture is a farming method that respects the land and protects the ecology. It is a farming method that growers love the land. The crops produced are guaranteed and healthy to the organism.
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