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《Journal of Soil and Water Conservation》 2006-01
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Micro-rainwater Catchment and Planting Technique of Ridge Film Mulching and Furrow Seeding of Corn in Dryland

DUAN Xi-ming~(1,2,3),WU Pu-te~(1,3),BAI Xiu-mei~2,FENG Hao~(1,3)(1.College of Water Resources and Architectural Engineering,Northwest Sci-Tech University of Agriculture and Forestry,Yangling,Shaanxi 712100; 2.College of Forestry,Shanxi Agricultural University,Taigu,Shanxi 030801;3.National Engineering Research Center for Water Saving Irrigation,Yangling, Shaanxi 712100)  
For improving of the water use efficiency and soil temperature of dryland corn in North China,and achieving the goal of increasing the yield of corn further,a set of technology of ridge film mulching and furrow seeding of dryland corn is designed.The conclusions are drawn through the contrast tests that the furrow water content of one-way ridge along vertical direction to wind(D2)improves by 2.87% and 1.82% than the control and the flat film mulching;the water use efficiency is the highest,up to 18.05 kg/hm~2,improving by 48.70% and 25.54% than the control and flat film mulching.The average ground temperature between planting rows in whole growth period of the technology of ridge film mulching and furrow seeding improves by 1.4℃ and 0.1℃ than the control and the flat film mulching;total accumulated temperature is between 2 901.0℃ and 2 984.7℃,and it is only 2 908.7℃ to the flat film mulching and 2 699.3℃ to the control.The average yield of the technology of ridge film mulching and furrow seeding is 7 237.26 kg/hm~2,and the yield of one-way ridge along parallel direction to wind(D1) is the highest,up to 7 569.62 kg/hm~2,improving by 47.72% and 21.46% than the control and the flat film mulching.
【Fund】: 国家“863”计划项目(2002AA2Z4051);; 京津风沙源治理工程2002年度科技支撑项目([2002]2772号)
【CateGory Index】: S513
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