The biogas residue has undergone anaerobic fermentation, and there are few mushrooms when cultivating mushrooms. Nutrients are rich and comprehensive, and the biogas fertilizer is rich in nitrogen, phosphorus, potassium and trace elements. Easy to manage and save labor. The use of biogas residue instead of straw and other mushroom feedstocks has increased the source of raw materials, reduced costs, and the general cost has decreased by 36%. The yield of mushroom can increase by 15%, and the ratio of primary and secondary mushrooms is significant.
method
1, out of the residue. 20 days before the mushroom was piled up, the crust layer and the biogas residue in the biogas tank were all picked up, leaving the clear liquid, and the new material was stopped from being put into the pool 5 days before the discharge.
2, spread the sun. The picked up biogas residue is spread out, dried and smashed.
3. Stacking materials. According to the ratio of 15 kg of straw per square meter plus 10 kg of dry biogas residue, the mixture is stratified and fermented (the ratio of biogas residue to wheat straw is 1:0.5), and then sprinkled with moist biogas slurry to moisten.
4. Spraying. Before the mushroom is taken, 20-40% of the biogas slurry is sprayed with 0.5-0.75 kg per square meter of mushroom bed, sprayed once every 1-2 days, and other operations are the same as conventional cultivation.
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