农业固体有机废弃物蚯蚓堆制处理及蚓粪应用研究进展

农业固体有机废弃物对大气、水体、土壤、生物均造成严重污染,但是,农业固体有机废弃物又是可利用的生物质资源,蚯蚓堆制处理是农业固体有机废弃物处理和资源化利用的重要途径之一,蚯蚓堆制产物即蚓粪是一种具有极高应用价值的腐殖质类复合物。综述了农业固体有机废弃物蚯蚓堆制处理的影响因素如蚯蚓品种、温度、湿度、接种密度、pH值、C/N以及蚓粪的理化、生物学性质及蚓粪应用的研究现状,指出对农业固体有机废弃物进行有效蚯蚓堆制处理及提高蚓粪利用范围和效果等问题值得深入研究。

Advances in Vermicomposting of Agricultural Solid Organic Wastes and Application of Vermicompost

Agricultural solid organic wastes caused serious contamination to the atmosphere, water, soil and organisms. However, it is also bio-resource which can be recycled. Vermicomposting is a stabilization of organic waste materials involving the joint action of earthworms and microorganisms. The products of vermicomposting, i.e. vermicompost, with relatively high concentration of plant nutrients and humic acid contents, resulted from biological degradation and stabilization of organic matter obtained when earthworms decomposed agricultural wastes. This paper mainly reviewed some affecting factors in vermicomposting, such as earthworm cultivars, temperature, humidity, C/N ratio, pH, earthworms density, etc. Moreover, the physical and chemical aspects of vermicompost, and the comprehensive utilization of vermicompost were also reviewed. It was pointed out that effectively vermicomposting of agricultural solid organic wastes and improving the efficiency and the range of vermicompost application would be major research fields in future.