Analysis on Variation Characteristics of Agricultural Climate Resources during the Crop Growing Season over Last 50 Years in Heilongjiang Province
FANG Li juan, CHEN Li, QIN Xue, WAN Lin lin
Chinese Journal of Agrometeorology . 2012, (03): 340 -347 .  DOI: 10.3969/j.issn.1000-6362.2012.03.004