%0 Journal Article %A LI De-Wen %A LIU Wei %A YANG Feng-Jian %A ZU Yuan-Gang* %T Effect of Poplar Plantation on Soil Amelioration in Severe Saline-alkali Soil %D 2012 %R 10.7525/j.issn.1673-5102.2012.03.015 %J Bulletin of Botanical Research %P 339-342 %V 32 %N 3 %X In order to investigate the effect of constructing poplar plantation on soil amelioration, the severe saline-alkali soil of Zhaodong City, Heilongjiang Province was studied. The 4 treatments were CK (Control), Bar treatment (Small hole improvement-Bar foraging ditch-In situ repair), Cross treatment (Small hole improvement-Cross foraging ditch-In situ repair) and Grid treatment (Small hole improvement-Grid form of foraging ditch-In situ repair), respectively. The results of the present study showed that the different improvement treatments changed the severe saline-alkali soil characteristics, significantly decreased the pH value, conductivity and carbonate content in soil surface (p<0.05). Meanwhile, the exchange of calcium and magnesium ion contents, and the humic acid and chitosan contents were significantly increased (p<0.05). Therefore, the 3 different treatments, based on Small hole improvement and In situ repair, had well modified effects for the severe saline-alkali soil. %U https://bbr.nefu.edu.cn/EN/10.7525/j.issn.1673-5102.2012.03.015