基于熵权法的黑龙港区咸水利用农艺节水技术集成模式综合评价

Evaluation of Agronomic Water-saving Technology Integration Model of Salt Water Use Based on Entropy Method in Heilonggang Region

黑龙港属华北缺水低平原区,也是典型的中低产地区,水资源不足是限制该地区农业生产发展的主要因素。充分挖掘咸水利用潜力,以咸补淡对解决华北平原水资源短缺有着重要作用。现有研究基本实现了盐碱地的综合治理,但在咸水的农业资源化高效利用方面还远不能满足对技术的需求,表现在咸水利用节水灌溉制度的系统性研究很少,咸水利用节水灌溉技术体系还不完善,单项技术有所突破,集成创新欠缺,影响咸水利用节水灌溉技术应用效果。本文运用熵权综合评价法对"粮棉果蔬咸水高效利用的技术集成与示范"项目形成的小麦咸水利用农艺节水技术集成模式进行评价,筛选出最佳的节水技术模式。从生产、社会经济和生态环境等方面综合评价。得到的结论是:咸水直灌模式最优,旱地模式次优,淡水模式最差。

Water shortage is one of major factors limiting the development of agricultural production in Heilonggang.Salt water use plays an important role in the North China Plain.Previous researches basically achieved the comprehensive management of saline soils.However,salt water utilization efficiency can not meet the demand since it is very little systematic study on water-saving irrigation system of salt water,there is a lack of integration of single technologies.This comprehensive evaluation of the salt water use in wheat field of agronomic water-saving technology integration model used the entropy method to select the best saving technologies mode from soci-economic,ecological and environmental aspects.The conclusion is salt water direct irrigation mode was the best.