The contents and availability of soil microelements in different types of plantations in Karst mountainous site
AN Yuting, XUE Jianhui, WU Yongbo, HU Hao
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2013, (03): 65 -70 .  DOI: 10.3969/j.issn.1000-2006.2013.03.012