干旱地区农业研究Issue(1)：146-152,7.DOI:10.16302/j.cnki.1000-7601.2015.01.024
微咸水灌溉条件下施用不同改良剂对盐渍化土壤盐分离子分布的影响
Effects of modifiers on saline soil salt distribution under brackish water irrigation conditions
摘要
Abstract
To clarify the influence of brackish water with 2~3 g·L-1 salinity on the improvement of cotton field soil ,five kinds of soil amendments agents were used in this study .The results showed that all five agents could decrease pH values and total salt contents in the soil .Also ,they could effectively control the accumulation of Na+ ,Ca2+ ,SO42-and HCO3 - .In particular ,phosphogypsum could significantly decrease the total content of Na+ ,Ca2+ and SO42- in the soil ( P<0 .05 ) ,and the DS1997 amendment could decrease the content of Na+ and HCO3 - significantly ( P<0 .05 ) . The acid-base equilibrium amendment could significantly decrease the content of Ca2+ and SO42-( P<0 .05 ) .In He Kang treatment ,the contents of SO42- and HCO3 - in the soil were efficiently controlled .However ,these five soil a-mendments did not show significant effects in controlling the accumulation of Cl-( P<0 .05 ) in this experiment .In con-clusion ,although brackish water irrigation could induce the increases of pH and saline contents in the soil ,the soil a-mendments could limit and remit these effects significantly .In the meantime ,soil amendments could improve the phi-chemical characteristics and saline ion distribution in the soil .关键词
土壤改良剂/微咸水灌溉/盐分离子/盐碱地改良Key words
soil amendment agent/brackish water/saline iron/saline land improvement分类
农业科技引用本文复制引用
刘易,冯耀祖,黄建,王新勇,祁通,孟阿静..微咸水灌溉条件下施用不同改良剂对盐渍化土壤盐分离子分布的影响[J].干旱地区农业研究,2015,(1):146-152,7.基金项目
新疆自治区公益性科研院所基本科研业务经费资助项目“新疆滴灌作物配套农艺调控技术研究与示范”（KY2013050）；新疆农科院优秀青年科技人才基金项目“生物质碳输入对新疆盐渍化土壤水盐运移的影响” （）
