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不同种植方式对旱地玉米耗水规律及水分利用效率的影响.pdf

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农艺学 现代农业科技 年第 期 2011 17 不同种植方式对旱地玉米耗水规律及水分利用效率的影响 刘化涛 黄学芳 黄明镜 池宝亮* (山西省农业科学院旱地农业研究中心,山西太原 030006 ) 摘要 在干旱条件下,选用郑单958 和农大 108 为供试材料,在不同种植方式(平作、垄作和起垄覆膜)及不同种植粒数(单粒和双粒 播种)下,研究其耗水规律及水分利用效率。结果表明:相同品种间,起垄覆膜在拔节至灌浆期,耗水量大于平作和垄作,灌浆至成熟期,耗 水量小于平作和垄作;整体上,郑单958 水分利用效率高于农大 108 ;种植粒数处理之间没有差异。 因此,采用起垄覆膜方式,选用合理品 种,是提高玉米抗旱性和保证产量的有效途径。 关键词 种植方式;玉米;耗水规律;水分利用效率 中图分类号 文献标识码 文章编号 ( ) S513 A 1007-5739 2011 17-0074-02 Effect of Different Planting Modes on Water Consumption Laws and Water Use Efficiency of Maize in Dryland LIU Hua-tao HUANG Xue-fang HUANG Ming-jing CHI Bao-liang * ( , , ) Dryland Agriculture Research Center Shanxi Academy of Agricultural Sciences Taiyuan Shanxi 030006 , ( Abstract Choosing nongda 108 and zhengdan 958 as maize varieties under drought condition the effect of different planting modes flatten culture ,ridge culture ,ridge forming and film mulching) and different planting grain numbers (single grain sowing ,double particles sowing )on water , consumption laws and water use efficiency of maize was studied.The results showed that between the same variety water consumption of ridge forming , and film mulching was larger than that of flatten culture and ridge culture from jointing to watery stage but was lower than that of flatten cu
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