秸秆覆盖免耕土壤细菌和真菌生物量与活性的研究

生态学杂志 ›› 2001, Vol. ›› Issue (2): 30-36.

秸秆覆盖免耕土壤细菌和真菌生物量与活性的研究

高云超¹, 朱文珊², 陈文新²

1. 广东省农业科学院生物技术研究所, 广州510640;
2. 中国农业大学微生物学系, 北京100094

收稿日期:1999-12-10 修回日期:2000-03-15 出版日期:2001-04-10

Bacterial and Fungai Biomass and Activities in Straw Mulch No Tillage Soils

Gao Yunchao¹, Zhu Wen shan², Chen Wenxin²

1. Institute of Biotechnology, Guangdong Academy of Agricultural Sciences, Guangzhou 510640;
2. Department of Microbiology, China Agricultural University, Beijing 100094

Received:1999-12-10 Revised:2000-03-15 Online:2001-04-10

摘要/Abstract

关键词: 火线强度, 消耗量, 含水率, 载量, 床层厚度, 预测模型, 蒙古栎

Abstract: Longterm continuous straw mulch no tillage increased soil total and active microbial biomass and activities.Tillage methods influenced soil bacterial and fungal biomass and activities.Conventional tillage increased soil bacterial biomass,but the shapes and distributions of soil bacteria differed insignificantly for different tillage soils.No tillage increased soil total and active hyphal length and biomass.The bacterial and fungal contributions to respiration differed remarkably for tillage method experimental soils.Conventional tillage surface soil layer concentrated largely fungal component,while no tillage soil had much bacterial activities.It showed that soil microbial activity and is not consistent with biomass and its composition in different tillage method soils.

Key words: fireline intensity, fuel consumption, moisture content, fuel loading, fuelbed thickness, Quercus mongolica.

中图分类号:

S154.36

高云超, 朱文珊, 陈文新. 秸秆覆盖免耕土壤细菌和真菌生物量与活性的研究[J]. 生态学杂志, 2001, (2): 30-36.

Gao Yunchao, Zhu Wen shan, Chen Wenxin. Bacterial and Fungai Biomass and Activities in Straw Mulch No Tillage Soils[J]. cje, 2001, (2): 30-36.

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