地中膜冬小麦田的水分平衡和节水效益

Water Balance and Water-saving Benefit of Winter Wheat Field with Underground Film

地中膜技术是在地表下适当深度铺上低成本、高强度、耐久性强的聚氯乙烯薄膜 ,再将土回填。这是较为经济的、易于在沙漠地区大面积推广的新型农业技术。试验表明 ,在传统栽培措施下 ,利用地中膜种植的冬小麦与对照区冬小麦相比 :产量提高 73.3% ,每年增加收益2 6 55.0 2 $ /hm2 ,水分利用效率提高 81.3%。

The underground film technique is one of the new agricultural techniques, which is that plastic film with the characters of low cost, high strength and strong durability is paved in the proper depth of soil, then the soil is filled up again. It is economic and suitable to be popularized widely in the desert area. The result of study shows that under the traditional planting measures, the yield of winter wheat with underground film increased by 73.37 do compared with the contrasting field, the annual income increment is 2655.02$/hm 2, increment of water use efficiency is 81.25%.