Any crop is born from roots, and its roots die. The robust roots are the basis for crop growth and high yield. In today's frequent soil problems, only by doing a good job of rooting and rooting the crops can we achieve high yield and high efficiency.
White roots are strong
White roots are generally new roots or the tip of the old roots. These roots have strong oxygen-carrying capacity, which can oxidize the surrounding soil and form an oxidized circle, which oxidizes the soluble divalent iron around it to ferric iron. It does not accumulate on the surface of the root, keeping the root white. White root has a strong physiological function, and its vitality and absorption capacity are very strong, so it is said that white roots are strong.
Huang Genbao
Yellow roots generally appear on the base surface of old roots and roots. These roots are thickened due to aging, and the ferrite is deposited on the roots to form a yellow-brown iron film. This layer of iron film has a protective effect, which can prevent toxic substances from immersing into the roots, but the absorption capacity of this root system is greatly weakened, so Huanggen lives.
Black root is sick
After long-term flooding, due to insufficient oxygen content in the soil, there are more ferrous iron. At the same time, the organic matter is decomposed by anaerobic gas to produce a series of toxic substances such as hydrogen sulfide. When hydrogen sulfide and ferrous iron are combined, ferrous sulfide (black) is formed on the root surface to turn the roots into black. This root physiology is further degraded, so black roots are sick.
Gray roots
If the soil is deficient in iron, hydrogen sulfide cannot be eliminated, and the respiration and absorption functions of the roots can be inhibited, and root poisoning can be killed. The symptoms of hydrogen sulfide poisoning are that the roots are pulled up to observe the gray water stains of the roots, and there is a smell of rotten eggs, so the ash is terrible.
Six initiatives to keep crops growing
Adjust the soil pH of the plough layer
Unreasonable fertilization for many years leads to changes in the pH value of the plough layer, which is the root cause of today's soil problems. The recommended practice is to use a special soil conditioner according to the actual situation after the pH of the plough layer is measured in the laboratory.
Adding biological fertilizer
The application of biological fertilizer can activate the soil, solve the problem of soil compaction, provide full-price nutrients for the crops, and can inhibit bacteria, reduce harmful bacteria or harmful organisms in the soil, reduce pests and diseases, and increase the yield.
Add organic matter
Organic matter is the top choice for fertile soil. Its role is to loosen and breathe, forming agglomerate structure, retaining water and protecting fertilizer, increasing microbial activity and promoting root development.
Rational irrigation and drainage
It is recommended to adopt small water pouring or micro-irrigation or drip irrigation to protect the agglomerate structure of the soil and facilitate root growth. The open season crops are as important as the irrigation system in the rainy season, both to prevent flooding and to prevent dead roots.
Choose a functional product
Functional water soluble fertilizer contains humic acid or amino acid, which has positive significance for supplementing organic matter, improving ground temperature, improving soil permeability, improving fertilizer utilization rate, and rooting and roots.
Cultivating loose soil
Nongyeyun “There is water and fire under the hoe,†which means that the shovel (cultivating the soil) can improve the drought tolerance of the crop (with water) and effectively increase the ground temperature (with fire). Especially in the seedling stage of crops, root development is not yet complete, and cultivating loose soil is one of the indispensable measures to improve ground temperature, enhance soil permeability and promote root development.
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