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- W278319101 abstract "Compost by agricultural and forestry waste is one of the effective ways to reduce pollution,make use of resources and recycle. In this study,7 different ratios of raw materials,which were leaves and hulls of Castanea mollissima Bl.,corn stalks and cow dung in Beijing Huairou area were set up,namely A,B,C,D,E,F,G,adopting EM treatment in the late autumn of 2008. Through determining temperature,moisture content,pH value,NH+4-N,NO-3-N,C/N in composting process,the effects of different ratios on compost maturity were researched. Simultaneously,Chinese cabbage seed germination index (GI) was adopted to evaluate maturity and physiological toxicity. The results showed that:1) in the composting process,temperature,NH+4-N and C/N had similar changing trends in different ratios,which rose in the first 14 days,then gradually decreased. The highest temperature of E was higher than the other six ratios,which reached 62℃. GI and NO-3-N presented a trend of rising. Moisture content kept declining and the pH maintained at 8-9. 2) GI was positively correlated with pH and NO-3-N,and negatively correlated with NH+4-N and C/N; especially,GI was significantly correlated with NH+4-N,reached -0.799 6. 3) In Beijing Huairou area,E(C. mollissima leaves∶C. mollissima hull∶corn stalks∶cow dung=2.0∶2.0∶2.0∶4.0) was the optimum combination of compost,its maturity efficient was high and the time reaching maturity was about 42 days." @default.
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- W278319101 date "2009-01-01" @default.
- W278319101 modified "2023-09-25" @default.
- W278319101 title "Characteristics of waste composting in Castanea mollissima Bl. areas and evaluation of maturity." @default.
- W278319101 hasPublicationYear "2009" @default.
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