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Underground irrigates

来源: 作者:Stand originally 时间:2009-01-03 Tag: 点击:

Subsurface Irrigation

Irrigation water lends edaphic capillarity from bottom to top wet soil irrigate method. Also call ooze fill. Its advantage is fill water quality has been measured, evaporate the loss is small, occupy farmland less, and do not affect mechanical cultivation, irrigate exercise still can undertake at the same time with other and field exercise. But subterranean pipeline cost is high, administrative overhaul is more painful, in topsoil soil soak poorer condition falls, adverse to seminal emerge; In water penetration loss of the leakage in strong soil is big, heretofore still small area of be confined to is used.



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