蚯蚓对牛粪与鸡粪配比中矿物质元素和重金属的影响
Effects of Earthworm on Cow Dung and Chicken Manure of the Ratio to the Mineral Elements and Heavy Metals

DOI: 10.12677/HJAS.2014.46021, PP. 137-141

Keywords: 蚯蚓，鸡粪，牛粪，重金属
Earthworms, Chicken Manure, Cow Dung, Heavy Metal

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Abstract:

试验的目的是了解畜禽粪便经蚯蚓消解后重金属变化情况，为畜禽粪便的无害化处理提高理论数据。试验分为对照组和试验组两组，试验组中畜禽废弃物中加入蚯蚓。从数据显示，蚯蚓对牛粪和鸡粪配比的基质中K和Fe的作用有增加的趋势，Mg在蚓粪中含量显著增加，而P的含量在试验组有降低的趋势；蚯蚓对各种重金属的富集量随着培养时间的增加而增加,与Cu、Zn、Pb的富集量相比,蚯蚓对Hg没有明显的富集作用。
The purpose of the test is to understand changing situation of heavy metals after earthworm di-gestion of animal manure of livestock and poultry, safe disposal of animal manure to improve the theoretical data. Test is divided into two groups: control group and experimental group with earthworm in the livestock wastes. The data showed that earthworm matrix of cow manure and chicken manure ratio K and the role of Fe had an increasing trend, Mg content increased signifi-cantly in the cast of earthworm, and P content in the experimental group had a tendency to reduce. Earthworms’ enrichment of various heavy metals increases with increasing time. Compared to the enrichments of Cu, Zn, Pb, earthworms have no apparent enrichment effect on Hg.

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