Spatial Distribution Pattern of the Endangerment Characteristics of Thrip(Odentot hrips lati)to Alfalfa(Medicago sativa)
LIU Yu-liang, MI Fu-gui, TE Murbuhe, WANG Pu-chang, MA Xiao-ting, SA Duo-wen
ACTA AGRICULTURAE BOREALI-SINICA . 2009, (2): 218 -222 .  DOI: 10.7668/hbnxb.2009.02.045