Phenological Change of Populus simonii Carr And It′s Response to Air Temperature Variation in Last 30 Years in Inner Mongolia
CAO Yan fang,WEI Yu rong,YOU Li,LIU Peng tao,WU Qiu feng
Chinese Journal of Agrometeorology . 2011, (04): 538 -542 .  DOI: 10.3969/j.issn.1000-6362.2011.04.010