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当前位置: 首页 > 文章 > 几种纤维素分解菌在有机质转化中的作用 农业环境科学学报 2008,27 (03) 161-166
Position: Home > Articles > Effect of Several Cellulose-decomposing Microorganisms on Soil Organic Matter Transformation Journal of Agro-Environment Science 2008,27 (03) 161-166

几种纤维素分解菌在有机质转化中的作用

作  者：
刘淑霞;王鸿斌;赵兰坡;吴海文;张洪梅;秦治家
单  位：
吉林省东辽县金洲农业站;吉林农业大学资源与环境学院;吉林农业大学中药材学院
关键词：
纤维素分解菌;玉米秸秆;土壤有机质;转化
摘  要：
采用培养实验,研究了在添加有机物料的条件下几种纤维素分解菌在土壤有机质转化中的作用。目的在于探讨黑土有机质变化的微生物机理,并从中筛选出活性较高的菌株及其组合,以期将之用于秸秆还田,提高土壤肥力,充分发挥微生物在生态系统中的作用。结果表明,在添加有机物料培养条件下土壤有机质的转化与纤维素分解菌的种类与数量有一定的相关性,不同的纤维素分解菌在有机质转化中的作用不同,多种菌株联合接种比单一接种对有机质转化的作用要强。所选择的4株菌株中哈茨木霉(Trichoderma harziamum Rifai,Mycol)比绿色木霉(Trichoderma atroviride P.karsten,Finl.)、桔青霉(Penicillium citrinum Thom.)和黑曲霉(Aspergillus niger v.Tiegh.)在有机质转化中的作用大。
译  名：
Effect of Several Cellulose-decomposing Microorganisms on Soil Organic Matter Transformation
作  者：
LIU Shu-xia1,WANG Hong-bin1,ZHAO Lan-po1,WU Hai-wen2,ZHANG Hong-mei1,QIN Zhi-jia3(1.College of Resource and Environmental Science,Jilin Agricultural University,Changchun 130118,China;2.College of Chinese Medicinal Materials,Jilin Agricultural University,Changchun 130118,China;3.Jinzhou Agriculture Station of Dongliao County in Jilin Province,Dongliao 136615,China)
关键词：
cellulose-decomposing microorganisms;corn straw;soil organic matter;transformation
摘  要：
In order to investigate the microbial mechanism of organic matter transformation and to screen higher active strain and the combination from all the isolated strain in black soils for applying the straw return to fields,increasing soil fertility and exerting the function of microorganism on agricultural ecological system.The incubation experiment was carried out to study the effect of several cellulose-decomposing microorganisms on the soil organic matter transformation.Firstly,14 genera,27 species were identified and three of them were recorded in Jilin of China from 181 black soil samples from April in 2003 to December in 2004.There were 14 genera and 24 species in upper layer soil(0～20 cm) and 11 genera and 19 species in the sub-upper layer soil(20～40 cm).11 genera and 19 species were the same in tested soil.Penicillium and aspergillus were dominant among cellulose-decomposing microorganisms with the relative amount 33.33% and 25.93%,respectively.The capability for decomposing cellulose was different,Penicillium citrinum Thom.,Aspergillus niger v.Tiegh.,Trichoderma harziamum Rifai,Mycol and Trichoderma atroviride P.karsten,Finl were stronger than Rhizopus stolonifer(Ehrenb.)Lind.and Geotrichum candidum Link.The application of fertilizer,especially chemical-organic fertilizer,can increase the number of cellulose-decomposing microorganisms.Four strains were selected from all the isolated strains in black soils in an incubation experiment.The effect of cellulose-decomposing microorganisms on soil organic matter transformation was prominent,which varied with different cellulose-decomposing microorganisms.The interaction effect between different cellulose-decomposing microorganisms in mixed incubation was stronger than the effect of different cellulose-decomposing microorganisms in separate incubation in organic matter transformation.Among the selected four strains,Trichoderma harziamum Rifai,Mycol had more effect on soil organic matter transformation than Trichoderma atroviride P.karsten,Finl,Penicillium citrinum Thom and Aspergillus niger v.Tiegh.

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