| 重金属锌对猪粪堆肥过程中氧化还原类酶活性的影响 |
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| 引用本文： | 张卫娟,谷洁,高华,张洪宾,刘强,李海龙.重金属锌对猪粪堆肥过程中氧化还原类酶活性的影响[J].农业环境科学学报,2011,30(2). |
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| 作者姓名： | 张卫娟 谷洁 高华 张洪宾 刘强 李海龙 |
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| 作者单位： | 1. 西北农林科技大学资环学院,陕西,杨凌,712100
2. 西北农林科技大学林学院,陕西,杨凌,712100 |
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| 基金项目： | 国家自然科学基金，科技部星火计划，农业部948项目 |
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| 摘 要： | 以猪粪和秸秆为主要试验材料,添加不同浓度重金属Zn,采取发酵罐处理方法,在好氧高温条件下研究了重金属Zn对猪粪堆肥过程中多酚氧化酶、脱氢酶活性的变化,以及堆腐过程堆体温度、堆料pH值、胡敏酸E4/E6值的变化.结果表明:(1)低量重金属Zn处理(L)较不添加重金属Zn(CK)和添加高鼍重金属Zn(H)堆料升温快、温度高、高温持续时间长.(2)重金属Zn的加入对堆料的pH值影响不大,不是影响堆肥进程的直接原因.(3)H处理在整个堆肥过程中E4/E6值均高于L和CK,表明高浓度Zn处理抑制腐殖质的缩合和芳构化.(4)L处理的多酚氧化酶活性大多数时间高于H处理的活性,说明低量重金属Zn更好地促进了木质素的降解及其产物的转化.(5)从整个堆肥过程来看,3个不同处理的脱氢酶活性表现出一定的不稳定性,可能是重金属对脱氢酶活性有抑制作用的同时发生"抗性酶活性"现象.
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| 关 键 词： | 猪粪 重金属锌 理化性质 氧化还原酶活性 |
Effects of Heavy Metals Zn on Oxidoreductase Activity During Co-composting of Pig Manure and Straw |
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| ZHANG Wei-juan,GU Jie,GAO Hua,ZHANG Hong-bin,LIU Qiang,LI Hai-long.Effects of Heavy Metals Zn on Oxidoreductase Activity During Co-composting of Pig Manure and Straw[J].Journal of Agro-Environment Science( J. Agro-Environ. Sci.),2011,30(2). |
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| Authors: | ZHANG Wei-juan GU Jie GAO Hua ZHANG Hong-bin LIU Qiang LI Hai-long |
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| Institution: | ZHANG Wei-juan1,GU Jie1*,GAO Hua1,ZHANG Hong-bin1,LIU Qiang2,LI Hai-long1(1.College of Resources Environment,Northwest A & F University,Yangling 712100,China,2.College of Forest,China) |
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| Abstract: | The changes of polyphenoloxidase and dehydrogenase activities,and the changes of composting temperatures,pH and humic acid E4/E6 of composting materials during aerobic fermentation in thermophilic aerobic state were studied in this paper.Pig manure and straw were used as the main experimental materials.There were three treatments in this experiment,one was with adding low content heavy metals Zn(L),one was with adding high content heavy metals Zn(H),another one was without adding exogenous heavy metals Zn(C... |
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| Keywords: | pig manure heavy metals Zn physicochemical properties oxidoreductase activities |
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