Every year, while producing large quantities of food, vegetables, and fruits, rural areas also produce a large amount of rural garbage, such as excrement, crop stalks, and so on. The accumulation of crop stalks affects the appearance of villages and villages. However, if they are reasonably used, they can be turned into waste. The quantity of straw in China is huge, and it is conservatively estimated that about 500 million tons of straw will be produced each year. Although papermaking can use a small part, it still has a lot of existence, which poses major challenges to the sustainable development of rural areas and agriculture. In fact, there is a large amount of straw demand in rural areas, but farmers' friends have not found suitable methods and technologies. The rise of microbial technology has greatly changed this situation. Beijing Huaxia Kangyuan Co., Ltd. is committed to research in the field of agricultural microbiology and has developed effective products such as fermentation bed starter, feed starter, fertilizer starter, greenhouse warming agent, and biogas starter in planting and breeding. Products can turn straw into treasure, open up a new way to use straw.
First, you can use straw to make animal roughage. Crop stalks are rich in crude fiber, hemicellulose and lignin, and contain a small amount of crude protein. These substances can be decomposed into monosaccharides, small peptides, amino acids, vitamins and other substances under the action of microorganisms; Fermentation treatment can obtain high-quality roughage, which can not only reduce the residual amount of straw, but also increase the source of feed for livestock and poultry, avoid competition with people, and can also improve the quality of meat. Fermented roughage can be used to feed cattle and horses. , cockroaches, pigs, chickens, ducks, geese, rabbits, mealworms.
Second, it can be used to produce biogas. In rural areas, the raw material used to produce biogas can not only be used for excrement of livestock and poultry, but also can be replaced with bark, crop stalks, etc. However, because of the compactness of crop stalks and barks, they are not easily corroded by microorganisms, so they are produced using straw and bark. In the case of biogas, they should first be smashed into small pieces 2-3 cm long. After being piled up, they should be pretreated with microorganisms to soften and corrode the crop stalks, and then added to the biogas digesters. For example, the golden robber fast rot can soften and decompose the straw first, then add it to the digester, and use the biogas fermentation aid to help the methanogen to decompose the straw production gas. It can also consume a large part of the straw, and also can be used for scarce energy. Rural power supply and gas supply.
Third, used to make fermentation mattress material. Fermented bed pigs have been used by a large number of farmers because of their environmental health. However, sawdust is generally used as a litter in the process of making a fermentation bed. However, many places are more difficult to find and the padding is used completely. Sometimes it is not very Actually, in fact, the litter can be completely replaced by straw, but it needs to be crushed, and it needs to be replenished by about 30% every 2-3 months. After the fermentation bed fermentation agent is used, straw and animal feces are transformed into functional microorganisms. High-quality protein feeds are eaten by animals, all of which are supplemented regularly (2-3 months).
Fourth, for the production of fertilizer, the crop straw itself contains N, P, K and other mineral elements, but if applied directly to the soil, the crop cannot be used directly and must be decomposed under the influence of microorganisms before it can be used, but conventional heaps It usually takes several months or even six months for the fermentation to take a long time. However, the fertilizer can quickly decompose the straw into mineral elements such as NPK. It usually takes only 7-15 days to produce high-quality fertilizer.
Fifth, it can be used to make greenhouse straw bioreactors. Studies have shown that: All agricultural production increase measures, in the final analysis, are to improve the photosynthetic performance of crops; photosynthesis of plants is to absorb carbon dioxide gas through the leaves, absorb mineral elements in roots, synthesize organic substances in leaves, and release oxygen under the action of light. Organic matter will be transported to various organs in the absence of light, eventually forming roots, stems, leaves, flowers, fruits and so on. People generally eat their fruits, and the rest are leftovers such as straw, shells, and skin. These are carbon dioxide, water, and a small amount of minerals. Through our straw bioreactor, we add certain microorganisms, catalysts, etc. In the case of oxygen, carbon dioxide, water, heat, and mineral elements can be regenerated. At the same time, a large number of spores resistant to pests can be released to provide crop growth and development, and can effectively resist diseases and insect pests, increase crop yields, and Quality also solves the problem of crop straw waste utilization. To help greenhouse warming, heat preservation, provide carbon dioxide, and help grow vegetables and fruits in greenhouses. Such as the use of greenhouse warming agents to produce straw bioreactors, can help greenhouses increase the temperature 4-6 degrees, the temperature increased 3-5 degrees, on the basis of reducing the 50% fertilizer application rate, can increase the crop yield 30% -50% .
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