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近几年,随着工农业生产的发展和人民生活水平的提高,用水逐年增加,水资源严重短缺,供需矛盾日渐突出。为科学地利用现有的水资源,扩大灌溉面积,提高水的利用率,缓解农业缺水矛盾,我们1994—1995年度在河北省南皮县翟官屯村,搞了冬小麦渗灌试验研究。 试验地属旱碱薄地,土壤剖面上层为中壤土,下层为粘土,肥力中等偏下,地下水埋深3m以下,用矿化度为1.01g/1的浅井水灌溉。渗灌管为2吋塑料管,埋深0.4m,管距为1.0m、1.2m、1.6m三种。冬小麦生育期降雨共10次,
In recent years, with the development of industrial and agricultural production and improvement of living standards of the people, the water supply has been increasing year by year and there is a serious shortage of water resources, and the contradiction between supply and demand has become increasingly prominent. In order to scientifically utilize the existing water resources, expand the irrigated area, increase the utilization rate of water and alleviate the contradiction of water shortage in agriculture, we conducted winter wheat seepage irrigation experiment in 1994-1995 in Zhaiguantun Village, Nanpi County, Hebei Province. The experiment is an auriferous and thin soil. The upper soil profile is medium loam soil and the lower is clay. The fertility is medium-low and the groundwater depth is below 3m. Irrigation is conducted with shallow well water with a salinity of 1.01g / 1. Infiltration irrigation pipe is 2-inch plastic pipe, depth of 0.4m, pipe spacing of 1.0m, 1.2m, 1.6m three. Winter wheat growth period a total of 10 times,