水土保持学报2017，Vol.31Issue(6)：326-332,7.DOI:10.13870/j.cnki.stbcxb.2017.06.051
不同改良物料及其配施组合对黄河三角洲滨海盐碱土的改良效果
Improvement Effects of Different Ameliorants and Their Combinations on Coastal Saline-alkali Soil in the Yellow River Delta
摘要
Abstract
With maize as the research object,we conducted a pot experiment to firstly explore the soil improvement effects of desulfurization gypsum,vermicompost,sulfur,furfural residue and zeolite,then designed the appropriate combinations of ameliorants for both improving maize growth and soil properties.The results showed that the average pH value in the 0 20 cm soil layer with desulfurization gypsum,sulfur,furfural residue,vermicompost and zeolite treatments were decreased by 0.05～0.19 units under the slight saline-alkali conditions,and by 0.20～0.33 units under the moderate saline-alkali conditions,compared to the control treatment.In addition,desulfurization gypsum significantly reduced soil water-soluble Na+ content in the 0 20 cm soil layer.According to the improved characteristics of different ameliorants,two combinations ameliorants of T1 (desulfurization gypsum + sulfur + vermicompost) and T2 (vermicompost + zeolite + desulfurization gypsum + furfural residue) with comprehensive improvement effect were designed.These two combinations significantly increased maize biomass by 77.75％ and 129.22％ under the slight saline-alkali conditions,and by 148.13％ and 170.31％ under the moderate saline-alkali conditions,respectively.Meanwhile,they reduced the pH value of 0-20 cm surface soil.In conclusion,the application of the comprehensive ameliorants in coastal saline soils could promote crop growth and improve soil properties,which could be used as one of the important measures for the rapid improvement of coastal saline soil in the future.关键词
玉米/盐渍土/改良剂/干物质积累/土壤pHKey words
maize/saline soil/ameliorants/dry matter accumulation/soil pH分类
农业科技引用本文复制引用
卢星辰,张济世,苗琪,蒋曦龙,徐黎明,刘志鑫,季增诚,崔振岭..不同改良物料及其配施组合对黄河三角洲滨海盐碱土的改良效果[J].水土保持学报,2017,31(6):326-332,7.基金项目
2015年山东省与以色列国际合作科技合作项目(2015SDY0105) （2015SDY0105）
