WANG Heyun,LI Hongli,DONG Zhi,et al.Study on the Effects of Different Afforestation Species on the Soil Improvement in Coastal Saline Area[J].Research of Soil and Water Conservation,2016,23(02):161-165.
滨海盐碱地不同造林树种改良土壤效果研究
- Title:
- Study on the Effects of Different Afforestation Species on the Soil Improvement in Coastal Saline Area
- 分类号:
- S728.5
- 摘要:
- 为探讨滨海盐碱地不同造林树种对土壤改良效果，采用野外取样与室内分析测试相结合的方法，选取不同造林树种林地及对照荒地为研究对象，运用隶属函数法和主成分分析法对土壤肥力特征和盐碱化特征进行综合评价。结果表明：造林可改善土壤结构，降低土壤容重，提高土壤肥力；降低土壤盐渍化程度，由中盐化向轻盐化转化，脱盐过程与碱化过程并存；不同造林地土壤的肥力状况为：刺槐林 > 冬枣林 > 杨树林 > 桑树林 > 白蜡林 > 榆树林 > 紫穗槐林 > 柽柳林；盐碱化状况为：紫穗槐林 > 柽柳林 > 榆树林 > 杨树林 > 白蜡林 > 刺槐林 > 冬枣林 > 桑树林。
- Abstract:
- In order to study the soil improvement effects of different afforestation species, soil samples were collected from afforested woodlots different in tree species for lab analysis of fertility and alkalization characteristics, of which a systematic study was done with the mothed of subordinate function and principal component analysis. Results showed that afforestation could improve soil structure, reduce soil bulk density, improve soil fertility, reduce the degree of soil salinization, which transformed the medium salinization to light salinization, desalination process and alkalization process coexisted; soil fertility in different afforestation models decreased in the order: Black locust > Winter jujube > Poplar > Mulberry > Chinese ash > Elm > Amorpha > Tamarisk; soil alkalization levels decreased in the order: Amorpha > Tamarisk > Elm > Poplar > Chinese ash > Black locust > Winter jujube > Mulberry.
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备注/Memo
收稿日期:2015-03-21;改回日期:2015-03-27。
基金项目:世界银行贷款山东生态造林项目“山东生态造林项目生态效益监测与评估”（SEAP-JC-2）；中国水利水电科学研究院院专项“泥基本科研1575：基于含钙废弃物的盐碱土改良技术研究”
作者简介:王合云(1990-),女,山东聊城人,硕士研究生,主要从事林业生态工程研究。E-mail:xaiqian@163.com
通讯作者:李红丽(1972-),女,内蒙古赤峰市人,副教授,硕士生导师,主要从事荒漠化防治与植被恢复研究。E-mail:lhl@sdau.edu.cn