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模拟降雨条件下秸秆编织地表覆盖物对土壤侵蚀和小麦产量的影响

Chinese Journal of Soil Science(2006)

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Abstract
通过自制土壤冲蚀槽,并进行人工模拟降雨试验,研究了稻秆编织地表覆盖物对坡地土壤侵蚀和小麦产量的影响。结果表明:在坡度为27°,每次降雨强度为0.5~0.8mm/m in,小麦整个生育期降雨量为672mm条件下,与无覆盖等高种植和顺坡种植相比,应用秸秆编织地表覆盖物分别减少地表径流量28.36%~44.49%和25.26%~36.74%;分别减少土壤侵蚀55.66%~85.44%和12.13%~47.43%;增加小麦产量36.08%和27.95%。
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Key words
Simulated rainfall,Rice straw covering net,Soil erosion,Wheat yield
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