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沼气渣肥,是人畜粪便和植物秸秆在密闭的沼气池内厌氧发酵的残余物质,养分全面。据资料,有机质含量30～50％,腐殖酸10～20％,粗蛋白质5～9％,全氮0.8～1.5％,全磷0.4～0.6％,全钾0.6～1.2％。为科学地开发利用沼渣肥,发展多种经营,泰县官庄乡西华村九个沼气户和邗江县蒋王乡志远村六个沼气户,于1984年分别在室内外用沼渣肥代替牛粪培育蘑菇4445尺~2,一季秋菇收入达8308元,平均每平方尺收入1.80元,除去开支,净收入6605元.
Biogas residue fertilizer is the residue of anaerobic fermentation of human and animal feces and plant stalks in a closed biogas digester. The nutrients are comprehensive. According to the information, the content of organic matter is 30-50%, the content of humic acid is 10-20%, the content of crude protein is 5-9%, the total nitrogen is 0.8-1.5%, the total phosphorus is 0.4-0.6% and the total potassium is 0.6-1.2%. For the scientific development and utilization of biogas residue fertilizer, the development of a variety of business, Tai County Guanzhuang Township Xihua nine biogas households and Qijiang County Jiang Wang Xiang Zhiyuan six biogas households in 1984, respectively, for indoor and outdoor biogas residue fertilizer Instead of cattle manure to cultivate mushrooms 4445 feet ~ 2, a quarter of autumn mushroom income of 8308 yuan, an average income of 1.80 yuan per square foot, excluding expenses, net income 6605 yuan.