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《Shandong Agricultural Sciences》 2008-07
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Study on Dynamic Changes of Field Soil Moisture under Different Distribution Patterns of Winter Wheat Population

SUN Shu-juan1,ZHOU Xun-bo1,CHEN Yu-hai1,YANG Guo-min1,XU De-li2,YANG Rong-guang2(1.College of Agronomy,Shandong Agricultural University/ State Key Laboratory of Crop Biology,Taian 271018,China;2.Taian Agrometeorogical Experiment Station,Taian 271000,China)  
The experiment was conducted to study the dynamic changes of soil moisture in wheat field through the regulation of winter wheat population patterns.The results showed that the soil moisture content increased with the soil layer deepening,treatments A and B were obviously distinct from the other treatments at the layer of 0~90 cm,while there were little differences at the 100~200 cm layer.When compared from vertical changes of soil water content,treatments A and B could utilize the soil moisture well in deep layer of wheat field under the condition of no irrigation.Under the irrigated condition,the soil moisture content of treatment B was higher than that of the other treatments,which was propitious to increase the moisture content of superficial soil.
【Fund】: 国家重点基础研究发展计划项目(2005CB121106);; 山东省资源节约型社会科技支撑体系建设专项(2006JY06)
【CateGory Index】: S512.110.1
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