Evaluation of Integrated Benefit of Water Saving Agriculture in Semi-arid and Anti-drought Irrigating Region of Northeast China

摘要：

The water-saving agricultural development in arid and semi-arid anti-drought irrigation region depends on water resources,entironment and social factors.The projection pursuit evaluation model (PPE)was established on integrated benefits of water saving in agriculture.By applying PPE model based on realcoded accelerating genetic algorithm (RAGA) in the irrigation schemes,the authors turned multi-dimension data into low dimension space.So the optimum projection direction can stand for the best influence to the collectivity.Thus,the value of projection function can evaluate each item good or not.The PPE model can avoid jamming of weight matrix.The model was applied to evaluate integrated benefits for arid and semi-arid anti-drought irrigation areas in Northeast China.The model can evaluate the grade of integrated benefits on integration technology and single technology (spray irrigation).The results demonstrated that the integrated benefits of integration technology were the first grade and spray irrigation was the second.

关键词： water-saving agriculture benefit index system PPE RAGA Arid semi-arid anti-drought

作者: Fu Qiang He Yanguo

作者单位: School of Water Conservancy & Civil Engineering,Northeast Agricultural University,Harbin,Heilongjia School of Water Conservancy & Civil Engineering,Northeast Agricultural University,Harbin,Heilongjian

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: 380-386

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）