EM bacteria is the English abbreviation of Effective Microorganisms, which means effective microbial flora. It is a live bacterial preparation composed of various microorganisms with different functions, which has a positive effect on soil deterioration, continuous cropping obstacles, crop disease resistance, yield and quality. Fungi components and main functions of EM bacteria The EM bacteria are biological preparations composed of more than 80 kinds of microorganisms of 10 genera such as photosynthetic bacteria, lactic acid bacteria group, yeast group, actinomycetes, and filamentous flora. Photosynthetic flora 1 Using the light and heat received by the soil as energy sources, the hydrogen in the soil and the hydrogen in the hydrocarbons are separated, and the harmful substances are harmless substances. 2 Synthesis of sugars, amino acids, vitamins, nitrogen compounds, antiviral substances, physiologically active substances, etc. based on secretions from plant roots, organic matter in soil, harmful gases (hydrogen sulfide, etc.), and carbon dioxide and nitrogen. It is the main force for fertile soil and the growth of animals and plants. 3 Metabolites of photosynthetic bacteria can be directly absorbed by plants and can also be used as nutrients for other beneficial microorganisms to reproduce. Lactic acid flora (1) The lactic acid is formed by ingesting photosynthesis bacteria and sugars produced by yeast. Lactic acid has a strong bactericidal ability and can effectively inhibit the activity of harmful microorganisms and the rapid spoilage of organic matter. 2 It can decompose lignin and cellulose which are not easily decomposed under normal conditions, and ferment and decompose organic matter. 3 can inhibit the proliferation of pathogenic bacteria caused by continuous cropping disorders. Yeast group (1) The use of secretions produced by plant roots, amino acids synthesized by photosynthetic bacteria, sugars and other organic substances to produce fermenting power, synthesis of active substances that promote root growth and cell division. 2 Provide important feeding guarantees for the substrates needed to promote the proliferation of other effective microorganisms (such as lactic acid bacteria and actinomycetes). 3 The produced single cell protein is an indispensable nutrient for animals. Actinomycetes 1 Obtaining amino acids, nitrogen, etc. from photosynthetic bacteria as a substrate, producing various anti-biomass, vitamins and enzymes, which can directly inhibit pathogenic bacteria. 2 Obtain the matrices required for the proliferation of harmful bacteria in advance, thereby inhibiting their proliferation and creating a living environment in which other beneficial microorganisms proliferate. 3 It has a degrading effect on lignin, cellulose, chitin, etc., which are difficult to decompose, and is easily absorbed by passive plants, enhancing the resistance and immunity of plants and animals to various diseases. 4 promote the proliferation of nitrogen-fixing bacteria and VA bacteria. Nitrogen-fixing bacteria are a family of bacteria that fix nitrogen in the air. VA bacteria is the most common microorganism that is symbiotic with plant roots. It provides a variety of mineral nutrients (especially phosphorus) for crops, and also obtains the photosynthetic products required by crops, in plant nutrition, nutrient cycling, soil. Improvement and other aspects are very important. Filamentous flora 1 can coexist with other microorganisms, especially for the formation of esters in the soil. 2 Alcohol is strong, it can prevent the occurrence of cockroaches and other pests, and can eliminate bad odor. The specific role of EM bacteria Improved soil â— Form a good environment suitable for crop growth and development, improve soil structure, promote granulation, improve soil fertility, and enhance soil water seepage, water retention and air permeability, and reduce the use of chemical fertilizers and pesticides year by year. â— Accelerate the decomposition of soil organic matter, so that the effective nutrient content is significantly increased; the effective microbes in the soil are rapidly multiplied and continuously replenished, inhibiting the invasion and development of pathogenic microorganisms in the soil. â— Increase the number of micro-animals (such as beneficial mites, mites and beetles) that feed on micro-organisms and their decomposition products, radically change the micro-ecological system composition of the entire plough layer, and improve soil biological activity and buffer capacity. . Promote plant growth and development â— Application of EM bacteria can enhance the photosynthetic capacity of plant leaves, such as fruit trees with EM solution sprayed on the foliage, and the leaves are thickened and shiny. â— EM bacteria can promote root growth, and the use of fruit and fruit can also effectively increase the fruit setting rate. â— Applying EM bacteria to the land can significantly promote growth and increase yield. Improve plant resistance to disease and stress â— EM bacteria can produce a lot of beneficial substances, such as amino acids, organic acids, polysaccharides, various vitamins, various biochemical enzymes, growth-promoting factors, antibiotics and anti-viral substances, etc., to improve the stress resistance of crops. â— Increase the dissolved oxygen concentration in the water, which is beneficial to root respiration; it can improve the soil water retention capacity, and at the same time strengthen the leaf protective film and reduce water loss. â— Suppress the survival and reproduction of harmful microorganisms, reduce and gradually eliminate soil-borne diseases and insect pests and continuous cropping obstacles. Improve crop yield and quality â— Increase crop yields. Studies have shown that one crop of EM fermentation diluted 0.5~1 kg per mu, the yield increase is generally: grain and oil crops increase production by 10~20%, of which soybean can increase production by more than 10%; leafy vegetables increase yield by more than 8~26%, The increase in yield of roots and tubers was greater; the fruit and fruit conservation rate of melons and fruits increased by more than 40%. â— Improve crop quality. After applying EM bacteria, the fruit weight and sugar content of the melons or fruit trees are obviously improved; the flowers can bloom half a month in advance, the flowers are more vivid and the flowering period is prolonged. â— Extend the shelf life of fruit. Spraying EM bacteria before harvesting of fruit trees not only can supplement the leaves with nutrients, but also prolong the preservation period of the fruits. After harvesting, soak the fruit with EM bacteria dilution for 2 minutes, dry it and store it again, which will also prolong the shelf life. Suppress and eliminate weeds â— The lactic acid bacteria in EM bacteria synthesize lactic acid and physiologically active substances, which can make the seed coat of weed seeds soft, easily absorb water, break the dormancy, germinate in advance, and cause it to die due to the inability to overwinter. (Duan Hongtao) This article URL: What is the efficacy and role of EM bacteria containing EM bacteria?
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