河北蒿城县地处滹沱河两岸,沙地多、渗漏严重,耗能大,浇地成本高。近年来,县水利局在沙地多的乡、镇、村推广应用了塑膜进行田间垄沟防渗。全县现已修建塑膜垄沟37万米,每米造价只八分钱。防渗效果与混凝土防渗一样,达到98％。塑膜垄沟施 Hebei Artemisia County is located in both sides of Hutuo River, sand and more serious leakage, energy consumption, high cost of irrigating. In recent years, County Water Conservancy Bureau in the sand more townships, towns and villages to promote the use of plastic film for field furrow seepage prevention. The county has now built plastic film furrow 370,000 meters, only eight cents per meter cost. Seepage control effect and concrete seepage, the same, reaching 98%. Plastic film ditch facilities