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我国是一个农业大国,每年要产生6亿t左右的秸秆及27亿t畜禽粪便,由于处理不当,大量的有机废弃物没能再利用,造成了严重的环境污染。利用畜禽粪便生产有机肥,是实现畜禽粪便无害化、安全化的有效手段。在有机肥的生产过程中,很多因素会导致其养分的损失,使有机肥的肥效降低。研究旨在通过分析有机肥生产的堆肥和制粒阶段部分养分的变化,为有机肥生产工艺的改进和提高提供依据。1材料在不同月份,分3次采集有机肥厂堆肥发酵前后
China is a big agricultural country, producing about 600 million tons of straw and 2.7 billion tons of animal manure every year. Due to improper handling, a large amount of organic waste can not be reused, resulting in serious environmental pollution. The use of livestock manure to produce organic fertilizer, livestock and poultry is to achieve harmless, safe and effective means. In the process of organic fertilizer production, many factors will lead to the loss of nutrients, reducing the efficiency of organic fertilizer. The purpose of the study is to analyze the changes of some nutrients in the compost and granulation stages of organic fertilizer production, and provide the basis for the improvement and improvement of the organic fertilizer production process. 1 material in different months, 3 times collected before and after compost fermentation in organic fertilizer plant