Effects of a conversion from grassland to cropland on soil physical-chemical properties in the agro-pastoral ecotone of Inner Mongolia: analysis of a 50-year chronosequence
JIAO Yan, ZHAO Jiaohong, XU Zhu
Ecology and Environment . 2009, (5): 1965 -1970 .  DOI: 10.16258/j.cnki.1674-5906(2009)05-1965-06

Copyright © 2021 Editorial Office of ACTA PETROLEI SINICA

Address:No. 6 Liupukang Street, Xicheng District, Beijing, P.R.China, 510650

Tel: 86-010-62067128, 86-010-62067137, 86-010-62067139

Fax: 86-10-62067130

Email: syxb@cnpc.com.cn

Support byBeijing Magtech Co.ltd, E-mail:support@magtech.com.cn