LU Xingxia,LIU Yan,YANG Jinghui,et al.Effect of the Plantations of Sophoro joponica and Robinia pseudoacacia on Physical and Chemical Properties in Coastal Saline-alkali Soil[J].Northern Horticulture,2016,40(04):64-67.[doi:10.11937/bfyy.201604017]
种植国槐和刺槐对滨海盐碱地理化性质的影响
- Title:
- Effect of the Plantations of Sophoro joponica and Robinia pseudoacacia on Physical and Chemical Properties in Coastal Saline-alkali Soil
- Keywords:
- Sophora japonica; Robinia pseudoacacia; coastal saline-alkali soil; soil physical and chemical properties
- 文献标志码:
- A
- 摘要:
- 以种植在滨海盐碱地6年（苗龄3年）的国槐和刺槐人工纯林为研究对象，比较了不同林木在不同季节对土壤理化性质的影响。结果表明：秋季，国槐、刺槐分别使土壤容重显著降低了23.40%和14.20%，总孔隙度显著增加了36.94%和23.39%，脱盐率分别为66.51%和44.29%，国槐使Cl-、Ca2+、Na+含量显著降低了50.00%、51.85%、41.76%，刺槐林地只有Cl-含量比对照显著降低了33.33%。总之，秋季国槐对盐碱地理化性质的改良效果好于刺槐。春季，与对照相比，2块林地容重、总孔隙度与对照的差异不显著；刺槐林地的pH值、可溶性盐含量分别显著降低了0.47个单位和52.48%，Ca2+、K+、Na+含量显著低于对照，其它离子含量与对照差异不显著；国槐林地的pH值显著高于对照0.27个单位，可溶性盐含量与对照差异不显著，Ca2+、K+含量显著低于对照，其它离子含量与对照差异不显著。总体上，春季刺槐对盐碱地理化性质的改良效果好于国槐。无论是春季还是秋季，国槐和刺槐对土壤含水量和有机质含量的改良效果均不显著。
- Abstract:
- The plantations of Sophora japonica and Robinia pseudoacacia planted for 6 years (seedling age of 3 years) in coastal saline-alkali soil were studied，and their soil physical and chemical properties were compared in different seasons.The results showed that the different plantations had different improvement effect on the saline-alkali soil in different season,in the autumn，the soil bulk density of the plantations of Sophora japonica and Robinia pseudoacacia was decreased significantly by 23.40% and 14.20%，and the total porosity was increased significantly by 36.94% and 23.39%，the ratio of desalinization was respectively 66.51% and 44.29%，the contents of Cl-，Ca2+ and Na+in the soil of plantation of Sophora japonica was decreased significantly by 50.00%，51.85% and 41.76%，the content of Cl-in the soil of plantation of Robinia pseudoacacia was decreased significantly by 33.33%.In the word，the improvement effect of Sophora japonica on physical and chemical properties in saline-alkali was better than those of Robinia pseudoacacia in autumn.In the spring，compared with the control，the difference of the soil bulk density and total porosity of two plantations was not significant，the soil pH value and soluble salt content of the plantation of Robinia pseudoacacia were decreased significantly by 0.47 unit and 52.48%，and the contents of Ca2+，K+，Na+ was also decreased significantly，but the difference of content of other ions was not significant；the soil pH value of the plantations of Sophora japonica was increased significantly by 0.27 unit，the difference of the soil soluble salt content was not significant，and the contents of Ca2+，K+ were decreased significantly，but the difference of content of other ions was not significant.In short，the improvement effect of Robinia pseudoacacia on physical and chemical properties in saline-alkali soil was better than those of Sophora japonica in spring.But whether it was spring or autumn，the improvement effect of Sophora japonica and Robinia pseudoacacia on moisture content and organic matter in saline-alkali soil was not significant.
参考文献/References:
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备注/Memo
第一作者简介：卢兴霞（1978-），女，硕士，讲师，现主要从事园艺植物遗传育种和抗逆性等研究工作。E-mail：xingxialu@126.com.责任作者：杨静慧（1961-），女，博士，教授，研究生导师，现主要从事园艺植物栽培与抗逆生理及分子育种等研究工作。E-mail：jinghuiyang2@aliyun.com.基金项目：〖JP5〗国家农业科技成果转化资金资助项目（2012GB2A100015）；国家星火计划资助项目（2013GA610012）；天津市高校“优秀青年教师资助计划”资助项目（津教委办[2013]171号）。