水土保持学报2012,Vol.26Issue(5):113-117,5.
造纸废水灌溉对芦苇不同生育期土壤中硝态氮含量的影响
Effects of Paper Making Wastewater on Soil Nitrate Nitrogen in Different Growth Period of Reed
摘要
Abstract
Based on constructing the small scale device,in order to provide feasible wastewater irrigation methods for ecological restoration of the saline-alkaline wetlands,effects of paper making wastewater on soil nitrate nitrogen was analyzed after irrigation three concentration of wastewater(50,175,300 mg/L).The results showed that soil nitrate nitrogen content decreased first in 0-40 cm soil profile,then increased,and decreased finally with the increase of soil layer depth under three different concentrations wastewater.Soil nitrate nitrogen content with irrigation wastewater was more than that with clear water.After two-factor variance analysis and multiple comparison,the variable quantity of soil nitrate nitrogen content increased most rapidly when irrigated 50 mg/L wastewater in germination phase,so it was beneficial to irrigate 50 mg/L wastewater in the saline-alkaline wetlands.关键词
造纸废水/灌溉方式/硝态氮Key words
papermaking wastewater/irrigation methods/nitrate nitrogen分类
农业科技引用本文复制引用
卢佳,王铁良,陈佳琦,李春云,苏芳莉..造纸废水灌溉对芦苇不同生育期土壤中硝态氮含量的影响[J].水土保持学报,2012,26(5):113-117,5.基金项目
国家自然科学基金项目“造纸废水对辽河三角洲湿地生态系统的影响及生态修复研究” ()
辽宁省优秀人才支持计划项目 ()
辽宁省教育厅科学技术研究项目 ()