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题名:
Effect of drip irrigation water with different salinity on soil microbe of the Tarim Desert Highway shelter-forest
作者: Jin ZZ(靳正忠) ; Lei JQ(雷加强) ; Xu XW(徐新文) ; Li SY(李生宇)
会议文集: IEEE
会议名称: 会议论文
会议日期: 2012-04-18
出版日期: 2012-04-18
会议地点: beijing
其他题名: Effect of drip irrigation water with different salinity on soil microbe of the Tarim Desert Highway shelter-forest
部门归属: 新疆策勒荒漠草地生态系统国家野外研究站
英文摘要: Soil microbes in forest land are crucial to soil development and the production of available nutrients for forest trees in extreme arid areas. In this study, we used FAME and PCR-DGGE to study the effects of saline waters for drip irrigation on soil microbes in the shelter-belt along the Tarim Desert Highway in Northwest China. The main results revealed that differences in the soil microbial amounts, fatty acids and DNA segments among the shelter-belt lands drip-irrigated with different salinity waters were significant, and that the soil microbial amounts, diversities of fatty acid and DNA segments decreased with increasing water mineralization. Investigation of vertical differences in the soil microbial amount and fatty acid composition revealed that the maximum appeared at 5-30 cm, while the minimum was observed in the surface layer. The effects of the soil physical properties on the soil microbes were more notable than those of the nutrient contents. The salt composition form was dominated by Na+-Cl--SO42-, and the content of the SO42- was enhanced with increasing water mineralization. In conclusion, a high degree of mineralization of drip-irrigation water may cause the soil to harden and its quality to degrade gradually, which hinders the growth and development of forest soil microbes.
语种: 英语
内容类型: 会议论文
URI标识: http://ir.xjlas.org/handle/365004/11311
Appears in Collections:监测实验系统(野外台站)_新疆策勒荒漠草地生态系统国家野外研究站_会议论文

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Recommended Citation:
Jin ZZ,Lei JQ,Xu XW,et al. Effect of drip irrigation water with different salinity on soil microbe of the Tarim Desert Highway shelter-forest[C]. 见:会议论文. beijing. 2012-04-18.
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