Acta Agrestia Sinica
Effect of Selenium and Cobalt Fertilizers on the Forage Yield and Quality of Alfalfa
GUO Xiao, JIE Xiao-lei, LI Ming, HUA Dang-ling, LI Jian-ping
. 2009, (1): 74 -78 .  DOI: 10.11733/j.issn.1007-0435.2009.01.015