干旱区垄作不同覆盖条件对花生水分利用的影响
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国家科技支撑计划项目“民勤生态—经济型绿洲技术集成试验示范”(2007BAD46B05); 水利部公益性行业科研专项经费项目(200801009)


Impact on Peanut Growing Under Different Mulch Conditions in Arid Area
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    摘要:

    利用田间小区试验,对地膜覆盖、液态地膜覆盖、秸秆覆盖条件下花生垄作沟灌的水分利用状况进行了研究。结果表明,3种覆盖的减少蒸发量效果显著,与裸地种植相比,灌水后0—30cm土层内的土壤水分含量分别增加了67.35%,35.44%,5.10%。地膜覆盖显著地提高了花生根区的土壤温度,秸秆覆盖时秸秆材料阻碍了太阳对地表的直接辐射,根区0—25cm土壤温度相比裸地降低了1.3℃~5.5℃;地膜覆盖增产量高达167.07%。

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    Field plot experiments were employed to investigate soil water and soil temperature effects of ridge furrow of peanut under film mulching,liquid film mulching,and straw mulching. Remarkably reduced evaporation was found under the three mulching techniques. Compared to 0—30 cm soil layer,the soil moisture contents after irrigation under the three kinds of plant cover and bare ground were increased by 67.35%,35.44%,and 5.1%,respectively. Film mulching significantly increased soil temperature of peanut root zone. Straw mulch cover material hindered the sun's direct radiation on the surface. Compared to bare land,soil temperature in 0—25 cm root zone was reduced by 1.3 ℃~5.5 ℃. Mulching increased product as high as 167.07%.

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王以兵,雒天峰,张新民,丁林.干旱区垄作不同覆盖条件对花生水分利用的影响[J].水土保持通报,2010,(2):75-78

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  • 收稿日期:2009-10-25
  • 最后修改日期:2009-01-20
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  • 在线发布日期: 2014-11-26
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