The Technique of Economic Irrigation

摘要：

The technique of economic irrigation is a locally irrigation methods crop is supplied with very limited water and it is concentrated into its root areas by irrigation equipments like sprinkler,drip equipment or micro sub-surface system.Soil will be only made wet piecemeal under stump of tree (this space is the active part of the root) to ensure crops have the best development and growth.Experimented regulations of economic irrigation at two areas with different conditions of terrain,edaphology,climate and crops,the fruit-tree region (grape-vine,blue dragon) in Ninh Thuan Province and the export vegetable region in Dalat City,Lam Dong Province,Vietnam were chosen to evaluate irrigational standards of the soils and crops as well as cropping methods.Research results show that irrigation water quantity for the economic irrigation technique really reduces more considerably than that of traditional irrigation methods.Concurrently,it increases productivity and quality of crops.

关键词： economic irrigation terrain edaphology traditional irrigation

作者: Tran Thai Hung Xing Wengang Zhang Juan

作者单位: Agricultural Engineering Department,Hohai University,Nanjing,210098,China The Southern Institute of Agricultural Engineering Department,Hohai University,Nanjing,210098,China

会议类型: 国际会议

会议名称: International Conference on Effective Utilization of Agricultural Soil & Water Resources and Protection of Environment and the 4th Annual Academic Conference of Chinese Society of Agricultural Soil and Water Engineering

会议地点: 南京

会议语种:英文

页码: 160-164

在线出版日期: 2006-08-16（万方平台首次上网日期，不代表论文的发表时间）