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[Microbial characteristics of straw-amended degraded soils in central Tibet and its effect on soil fertility].

Xiaobu Cai、Qian Cheng、Yuanming Zhang、Qiong Pu

2004PubMedAgricultural and Biological Sciences被引 1

摘要

This paper studied the dynamics of microbial communities in degraded soils of central Tibet under straw amendment and its effect on soil fertility. The results showed that straw amendment, and soil covering with spring highland barley (Hordeum vulgare var. nudum) straw in particular, could supply a beneficial soil environment for the relatively balanced growth of soil microbes, e.g., reduced water evaporation, appropriate temperature, and increased content of organic matter and nutrients. All the results demonstrated the possibility of straw amendment in recovering soil fertility and in reconstructing of soil structure in a relatively short period.

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