Recently, a lotus root grower in Heshan District, Yiyang City, Hunan Province called in a hurry and said that he had planted two mu of lotus paddy fields and had used all the fresh urine of pigs. Solution.
To be sure, this is a misfortune with overdosing of fresh pig manure without any treatment. In this busy farming season, some farmers do not prepare organic fertilizers in advance, and some of the crops grown, such as vegetables, fruit trees and other economic crops can not be separated from organic fertilizers, they directly to the farm to buy fresh manure, resulting in fat damage Phenomenon often occurs in production, it has the following disadvantages:
Infectious diseases and insects contain coliforms, nematodes, and other pathogens and pests. The direct use of diseases and pests, the spread of diseases, and the incidence of crops will also have an impact on the health of people who eat agricultural products. When unfermented organic matter is fermented in the soil, it is easy to grow pathogens. With pests, it causes the occurrence of plant diseases and pests.
Fermentation of unfermented raw manure in the fermented soil, when the fermentation conditions are met, fermentation of the raw manure under the action of microorganisms; when the fermentation site is closer to the root or the crop plants are smaller, the heat generated by the fermentation will affect the crop Growth, when severe, can lead to plant death.
The toxic gas hazards produce methane, ammonia and other harmful gases during the decomposition process, causing acid damage and root damage to the soil and crops.
Soil oxygen-deficient organic matter consumes oxygen from the soil during the decomposition process, temporarily leaving the soil in an anoxic state. Under such an anoxic condition, the growth of the crop is inhibited.
Slow fertilizer effects Nutrients in unfermented and decomposed organic fertilizers are mostly organic or slow-acting. They cannot be directly absorbed and utilized by crops. They can only be digested and converted into a quick-effect state before they can be used by crops. Therefore, direct application without fermentation will slow down the effect of the fertilizer.
In general, this kind of poisoning poisoning is too long, the harm is too heavy, and the plants are seriously wilting dead seedlings. There is no way to solve this problem. Only after the natural fermentation of raw manure in the soil, can it be changed again. If the harm is light, it is discovered in time, such as the above-mentioned lotus root, it can be immediately taken out to drain raw urine water, and then flushed with clean water two or three times to reduce the residue of raw urine water in the field soil, dilute the concentration, eliminate part of the The toxic gas produced can reduce the hazard.
Special attention should be paid to the fact that drinking urine and water is strictly prohibited! Must be cooked before application, and the concentration of the application should not be too high, livestock manure after fermentation, it is best mixed with fertilizer. Dry soil fertilization should be about 10 centimeters away from the roots of the crop, and deep cover should be applied to prevent burning seedlings and reduce fertilizer efficiency. Soil dry topdressing should be properly irrigated, reducing the concentration to avoid burning seedlings to reduce production.
Internationally, regular intake of shiitake mushrooms can prevent rickets, which has been recognized in many countries, especially infant rickets, because vitamin D deficiency can cause phosphorus and calcium metabolism disorders. Shiitake contains provitamin ergosterol, which is not found in large amounts in vegetables, but it can be converted to vitamin D in the sun. Vitamin D can increase resistance to diseases and prevent and treat colds. Here we particularly mention the hepatoprotective effect of shiitake mushrooms, as they also contain adenine and choline, which can prevent the occurrence of cirrhosis and vascular sclerosis. In addition, tyrosinase contained in shiitake mushrooms tends to lower blood pressure.
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