再生水灌溉对天津滨海盐碱地绿地土壤的影响  

Effects of reclaimed water irrigation on the physical and chemical characteristics of saline-alkaline earth in Tianjin.

作　　者：杨永利[1] 韩烈保[2] 张清[1] 苏德荣[2] 

机构地区：[1]天津泰达生态园林公司 [2]北京林业大学草坪研究所

出　　处：《北京林业大学学报》2006年第S1期85-91,共7页Journal of Beijing Forestry University

基　　金："863"国家高新技术项目(2002AA2Z4281).

摘　　要：对天津诺维信公司排放出的再生水进行化学评价,确定其水质为重盐碱水,试验中配成的混水水质介于中等水与盐碱水之间.用这两种水分别浇灌天津滨海盐碱绿地土壤,土壤中ESP、SAR、Cl-均比淡水灌溉土壤有显著提升;再生水浇灌的土壤已接近轻度碱化土,且有加深的趋势;混水灌溉土壤较好,但长期灌溉后,也有轻微碱化的趋势.不同植物对再生水浇灌后的反应不同,其中国槐、草坪草耐性较强,暂时不造成危害.用磷石膏修复再生水后,处理水的化学指标达到灌溉水质标准.对于再生水对土壤和植物的影响需注意监测并采取措施进行预防.According to the evaluation of the reclaimed water from Tianjin Novozymes Company, it was strong saline-alkaline water.Diluted mixed water was between normal water and reclaimed water. The seaside saline-alkaline land in Tianjin was irrigated with reclaimed water and mixed water respectively. The results showed that ESP, SAR and Cl^- in the soil were increased compared to the soil irrigated with fresh water. Moreover, the soil irrigated with reclaimed water was close to the light saline-alkaline soil and in...

关 键 词：再生水 滨海盐碱地 土壤化学性能 修复技术 绿地 灌溉 

分 类 号：S273.5[农业科学—农业水土工程]