Biogas residue cultivation mushroom technology

Biogas residue refers to the bottom sediment after the biogas production by anaerobic fermentation of organic matter such as human and animal feces. It is rich in organic nutrients, amino acids, humus, nitrogen, phosphorus, potassium and other nutrients and auxin and antibiotic substances, which can be used for cultivation. Mushrooms, the specific points are: First of all, the biogas residue must be drained before the appropriate sowing date of the mushroom. Before sowing, the dried tar residue is diluted and exposed to dryness, and the unrecovered long residue is removed. Exposure time should be controlled by the moisture content of the biogas residue. It is advisable to squeeze the fingers to squeeze water without dropping. The treated biogas residue was added with 1% gypsum powder, 1% superphosphate and 0.5% urea as its weight. Secondly, mushroom houses can generally be used with the availability of windows and doors. Mushroom beds can be made of bamboo, wood, and iron to form a multi-layered bed frame. The first floor is no less than 25 centimeters from the ground, and the layers above each other are 60 centimeters apart, paved with straw and branches. The mushroom house is smoked with a 20-fold formalin solution or sprayed with 50 times liquid. It is also possible to fully spray the wall, ground, and mushroom bed with 50 times lime sulfur to close the mushroom house for 1-2 days. Then the biogas residue was laid flat on the bed of the mushroom and kept naturally loose, with a thickness of 12 to 14 cm. Then 0.5% dichlorvos or 0.3% dimethoate is sprayed on the surface of the culture material, the opposite side of the mushroom bed, the mushroom house and the surrounding walls to prevent ticks and other pests from sowing overnight.

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