贵州喀斯特山区石漠化治理过程中土壤质量特性研究 Effect of Soil Properties during Controlling Karst Rock

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贵州喀斯特山区石漠化治理过程中土壤质量特性研究

Effect of Soil Properties during Controlling Karst Rocky Desertification Process in Guizhou Province

通过定位、半定位观测,对贵州喀斯特山区石漠化治理过程中土壤质量特性进行研究,探讨贵州喀斯特山区生态恢复过程中土壤特性以及土壤肥力变化规律.试验结果表明:喀斯特地区石漠化综合治理对土壤物理化学性质的影响较为明显,表现为表层土壤有机质增加,土壤容重降低,孔隙度增加,土壤理化性质改善,保水保肥能力和通道性增加;同时,土壤微生物数量增加,土壤微生物数量增加程度表现为细菌>放线菌>真菌,土壤肥力改善,生产力逐渐提高.

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作 者: 罗海波 宋光煜 何腾兵 刘丛强 刘方 刘元生 钱晓刚  
作者单位:罗海波(西南农业大学,资源环境学院,重庆,北碚,400716;贵州大学,环境与资源研究所,贵州,贵阳,550025)
%G P\/Ac4P3|g0宋光煜(西南农业大学,资源环境学院,重庆,北碚,400716)
!zc3qE8HN!C0何腾兵,刘方,刘元生,钱晓刚(贵州大学,环境与资源研究所,贵州,贵阳,550025)
+IR&Q@a0刘丛强(中国科学院地球化学研究所,贵州,贵阳,550002) 
刊 名:水土保持学报  ISTIC PKU
英文刊名:JOURNAL OF SOIL AND WATER CONSERVATION 
年,卷(期):2004 18(6) 
分类号:S158.3 X171.4 
关键词:喀斯特石漠化   治理措施   土壤特性   微生物数量  
机标关键词:贵州喀斯特山区石漠化治理过程土壤质量特性研究Guizhou ProvinceKarst Rocky Desertification土壤微生物土壤物理化学性质土壤肥力数量增加土壤理化性质土壤有机质喀斯特地区综合治理质量特性土壤特性土壤容重试验结果 
基金项目:中国科学院知识创新工程项目,国家科技攻关项目 
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