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Comprehensive utilization of biogas residue

The biogas residue is a semi-solid substance remaining in the bottom of the biogas tank after biogas fermentation. It is rich in organic matter, humic acid, crude protein, nitrogen, phosphorus, potassium and various trace elements. It is a high-quality organic with both speed and speed. Fertilizer and culture bait.

1.Application of biogas residue in planting industry:

Formulated nutrient soil and nutrient mash: 
Nutrient soil and nutrient mash are mainly used for seedling of vegetables, flowers and special crops. Therefore, the nutrient conditions are high, natural soil is often difficult to meet, and the biogas residue is comprehensive in nutrition and can be widely produced and fully satisfied. Nutritional requirements. To use the biogas residue to prepare nutrient soil and nutrient mash, the biogas residue with good maturity and fine texture should be used, the amount of which is 20% to 30% of the total mixture, and 50% to 60% of the soil, 5% to 10 % sawdust, 0.1% to 0.2% of nitrogen, phosphorus, potassium fertilizer, trace elements, pesticides, etc. can be mixed well. If it is to be pressed into a nutrient crucible or the like, the ratio of clay, sand, and sawdust should be adjusted to make it have appropriate adhesion to facilitate press forming.

Biogas residue as organic fertilizer: 
1, as base fertilizer; 2, as top dressing; 3, biogas residue and ammonium bicarbonate stacking; 4, biogas residue and superphosphate stacking.

Biogas residue cultivation edible fungus 
1, biogas residue cultivation mushroom; 2, biogas residue cultivation of oyster mushroom; 3, biogas residue bottle planting Ganoderma lucidum.

2.Application of biogas residue in aquaculture industry:

Biogas residue breeding earthworm:  
earthworm is a low-grade animal rich in high protein and high nutrients. It takes the organic residue and microorganisms in the soil to make a living and has strong fertility. According to the data,  earthworm contains more than 60% protein, rich in 18 kinds of amino acids, and effective amino acids accounted for 58% to 62%. It is a good quality protein feed for livestock and poultry, and has edible and medicinal value for human beings. Earthworms contain high levels of humic acid, which can activate the soil and increase crop yield. The use of biogas residue to raise cockroaches is simple and easy, with low investment and great benefits. In particular, the use of biogas residue to combine with poultry and livestock can maximize the use of organic matter and purify the environment. Biogas residue culture is used to feed chickens, ducks, pigs and cattle. It not only saves feed, but also increases weight gain, egg production and milk production. Cows feed 250 grams per head per day and milk yield is increased by 30%. In recent years, great progress has been made in the development of animal-based high-protein foods and feeds, using artificial breeding of cockroaches at home and abroad.蚯蚓 can not only be used for livestock and poultry feed, but also can be processed to produce enamel products for use in food, medicine and other fields.

Biogas residue breeding soil aphid: 
Soil aphid is a kind of Chinese medicinal material with high medicinal value. Its traditional Chinese medicine name is earth element, and its scientific name is mantle. It has the functions of relaxing the muscles and promoting blood circulation, removing phlegm and phlegm, reducing swelling and relieving pain.

Biogas residue feeding jaundice: 
The biogas residue contains more comprehensive nutrients and nutrients needed for the growth and reproduction of plankton in the water. It can be directly swallowed by squid, and can also cultivate a large number of plankton, and provide the carp with a favorite food. . Since the biogas residue is an organic substance that has been fermented and decomposed, it does not consume a large amount of dissolved oxygen in the water after being put into the trout pond, and thus is beneficial to the growth of the eel. In addition, the biogas residue can keep the pool water light green or brown, which is good for absorbing the heat of the sun, increasing the temperature of the pool water and promoting the growth of the carp. Because the biogas residue has undergone anaerobic fermentation treatment in the biogas digesters, most of the bacteria and parasite eggs have settled or killed. Therefore, feeding the squid with the biogas residue can effectively prevent the occurrence of fish diseases.


Biogas residue feeding mud: 
Loach is a high-protein fish, which is not only delicious, but also has a high medicinal value. The Japanese are known as "water ginseng", which has higher nutritional value than squid, yellow croaker, octopus and shrimp. Loach is still a good medicine, has the effect of warming the vital energy, has a certain effect on the treatment of hepatitis, night sweats, hemorrhoids, bruises, impotence, premature ejaculation and other diseases. Especially suitable for middle-aged and old people. It has low fat content, contains less cholesterol, and contains an unsaturated fatty acid like pentenoic acid, which is an important substance that resists hardening of human blood vessels.