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近年来我县温室蔬菜生产发展迅速，截止到１９９８年，面积已达８６７公顷，其中黄瓜面积占３０％以上。黄瓜蔓长叶大，产量高，需水量多，过去一直采用沟灌方式浇水。冬春和早春茬大面积沟灌，不但会使地温明显下降，土壤通透性减弱，同时因水分蒸发面大造成温室内空气湿度增
In recent years, our county greenhouse vegetable production has developed rapidly, as of 1998, the area has reached 867 hectares, of which cucumber area accounts for more than 30%. Long cucumber leaves, high yield, water demand, the past has been used furrow irrigation. Winter and spring stubble large area ditching, will not only make the ground temperature decreased significantly, the permeability of the soil weakened at the same time as a result of large water evaporation surface caused by humidity in the greenhouse increased