In order to effectively control the environment in cattle farms, in addition to the rational planning and layout of cattle farms, appropriate measures should be taken to properly handle excreta and sewage, greening the environment and preventing the breeding of mosquitoes and flies. First, make biogas. Utilizing cow dung and urine to produce methane gas is a system project that integrates energy and environmental construction in rural areas and integrates economic, social, and environmental benefits. It can obtain biogas from biogas, biogas slurry, biogas residue, etc. A best form of comprehensive utilization of the field. Second, as a fertilizer. Urine urine contains more organic components, is a high-quality organic fertilizer, and has long-lasting fertilizer effect after use. It is one of the main sources of fertilizer in rural China. 1. Cow manure is directly applied to farmland as fertilizer. Fresh cow dung and grass bedding are directly applied to the farmland, and then the soil is quickly ploughed to decompose and ferment excreta and bedding in the soil, so that the resistance of parasites and pathogens is reduced and the activity is lost. This method uses 1 hectare per hectare. The soil can be freshly excreted 20000 kg or more. However, the ability of soil self-purification is limited. If too much excreta is used, it will exceed the soil's self-purification capacity and cause soil pollution. Therefore, when using the soil remediation method to treat fresh feces, it is best to add harmless chemicals or insecticides to crops, humans and livestock. Diseased cows should not be directly applied to the diseased cow's excrement and should be treated with deep-buried or long-term composting. 2, composting method. Using aerobic microorganisms to decompose solid organic waste such as cow dung and bedding, kill bacteria and parasite eggs, and make the soil directly get humic fertilizers. The ratio of carbon to nitrogen required for microbial growth in compost is 26 to 30:1, cow's manure is 22:1, and the addition of beryllium, the carbon to chlorine ratio is roughly equivalent. Under aerobic fermentation environment, uniform decomposition and sufficient maturity can be achieved within 2 weeks. Third, use cow dung to cultivate mushrooms and then do fertilizer. Mushrooms (also known as Agaricus bisporus) are nutritious, delicious, and have the reputation of "meat in the meat." 80% of the mushrooms produced in China are used for processing canned foods. They enjoy a high reputation in the international market and are one of the export-oriented products. About 1 kg of mushroom can be exchanged for about 16 kg of wheat and about 27 kg of fertilizer. It can be seen that the production of mushrooms with cow dung has a wide production prospect. Fourth, recycling of sewage. The cattle farm sewage can be recycled after being processed through mechanical separation, sedimentation, biological filtration, and oxidation and decomposition. This will not only reduce the pollution to the environment, but also save water expenses, and will help prevent and control epidemics. Treatment methods can be summarized as physical methods, chemical methods, and biological methods. The degree of processing is handled in two stages. The primary treatment is pretreatment, which is the application of physical methods to remove suspended organics from the wastewater into stable and harmless materials. Wastewater treated in two stages can generally remove 90%~95% of suspended solids and 90% of degradable organic pollutants, which can greatly improve water quality. Fifth, processing compound fertilizers. Cow manure is fermented after stacking or fermentation in an artificial fermentation tank, dried or dried, crushed, and sieved. According to different crops, if the tree, vegetables, flowers and other requirements for fertility, add the appropriate nitrogen, phosphorus, potassium and other components, made of the corresponding special compound fertilizer.
When food tastes very good, you might think it contains too much sugar and fat to stay healthy. But shiitake mushrooms are different. This large succulent mushroom is a delicate food with good nutritional content and many scientifically proven medicinal values. The delicate flavor of shiitake mushrooms adds flavor to almost any dish. In addition, essential amino acids are present in similar proportions to the "ideal protein" of human nutrition. Shiitake is rich in amino acids leucine and lysine, and lacks many grains. It is also a good source of B vitamins. Over the past two decades, scientists have isolated substances from shiitake mushrooms that may play a role in treating and preventing heart disease and cancer.
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