Effects of Variable Water and Nutrient Regimes on Nutrients of Alfalfa
SU Ya-li, ZHANG Li-jun, SUN Qi-zhong, WU Yan-hong, YANG Xiu-fang, LÜ Ning
. 2011, (5): 821 -824 .  DOI: 10.11733/j.issn.1007-0435.2011.05.018