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利用小麦秸秆和猪粪为原料进行好氧堆肥,对堆肥参数进行了优化和研究,对堆肥过程中温室气体的释放规律进行了探索,并初步考察了堆肥成品原位还田的效果。结果表明,堆肥反应可在约45 d内完成,初始最优ρ(C)︰ρ(N)和含水率分别约25︰1和65%;高温持续时间较长,p H值、电导率、有机质和N,P,K含量均满足堆肥腐熟要求;小麦秸秆和猪粪混合堆肥比单独将猪粪进行堆肥释放的温室气体更少;将质量比为3︰7的堆肥成品和土壤混合作为基质进行原位还田培育小麦,小麦种子的出芽率和幼苗生长情况均最佳。
Using wheat straw and pig manure as raw materials for aerobic composting, the composting parameters were optimized and studied, and the releasing laws of greenhouse gases in composting process were explored. The effect of returning compost products to soil in situ was also investigated. The results showed that the compost reaction can be completed in about 45 d, the initial optimum ρ (C): ρ (N) and water content are about 25: 1 and 65% respectively; the high temperature lasts longer, p H value, conductivity, Organic matter and N, P, K content meet the compost compost requirements; wheat straw and pig manure composting pig manure composting alone than the release of greenhouse gases less; the mass ratio of 3: 7 composted compost and soil as a substrate In situ cultivation of wheat, wheat seed germination rate and seedling growth are the best.