水土保持学报2013，Vol.27Issue(3)：131-137,7.
玉米秸秆隔离层对西辽河流域盐碱土碱化特征及养分状况的影响
Effect of Maize Straw Lsolation Layer on Alkalization Characteristics and Nutrient Status of Saline-Alkali Soil in West Liaohe Region
摘要
Abstract
The nutrient and alkalization indicators were analyzed to study the improvement effects on barley in saline-alkali soil by using the isolation layer of maize straw since 2008.The results showed that the A3B1 treatment which maize straw was 6 kg/m2 and burial depth was 10 cm,was the optimal treatment.By the ecological restoration of maize straw isolation layer for four years,the content of soil organic matter was increased by 10.4 g/kg compared with the CK.Alkaline hydrolytic nitrogen,available phosphorus and available potassium contents were increased by 43.2,56.0,102.7 mg/kg respectively compared with the CK.The pH,degree of alkalization and total amount of salt were decreased by 2.19,37.3％ and 2.251 g/kgrespectively.The content of cations such as K+,Na+,Ca2+ and Mg2+ was reduced by 78.6％,72.8％,81.5％ and 75.6％ respectively.The content of anions such as CO32-,HCO3-,SO42-and Cl-was reduced by 60.0％,75.5％,40.0％ and 65.5％ respectively.The nutrient contents of other treatments were all increased in different degree,and the alkalization characteristics indicators were all improved.关键词
盐碱土/玉米秸秆/隔离层/养分状况/碱化特征Key words
saline-alkali soil/ maize straw/ isolation layer/ nutrient status/ alkalization characteristics分类
农业科技引用本文复制引用
范富,张庆国,侯迷红,邰继承,孙德智,刘振伟..玉米秸秆隔离层对西辽河流域盐碱土碱化特征及养分状况的影响[J].水土保持学报,2013,27(3):131-137,7.基金项目
内蒙古自然科学基金项目(20080404MS0607) （20080404MS0607）
内蒙古民族大学基金项目(MDX2008017) （MDX2008017）
内蒙古民族大学科研创新团队支持计划项目(NMD1003) （NMD1003）
