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  • 節水灌溉-灌水溝的間距和長度

    作者:重慶節水灌溉       發布時間:2020-08-29       瀏覽次數:1949

    灌水溝的間距

    節水灌溉

    從圖中可知,沿灌水溝斷面不僅有下滲濕潤土壤,同時也有橫向入滲浸潤。灌水溝中縱、橫兩個方向的浸潤范圍主要取決于土壤的透水性能與灌水溝中的水深,且與灌水溝中水流的時間長短有關。


    灌水溝的長度
    節水灌溉
       灌水溝的長度與土壤的透水性和地面坡度有直接關系。地面坡度較大,土壤透水性能較弱時,灌水溝長度可以適當長一些;而在地面坡度較小,土壤透水性較強時,要適當縮短溝長。

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