封育年限对甘草群落及甘草产量、质量的影响

尚辛亥1,3,阎玉凝1,王文全1,2

Effect of exclosure on community structure , yield and quality of Glycyrrhiza uralensis root in G.uralensis community

SHANG Xin-hai1,3,YAN Yu-ning1,WANGWen-quan1,2

河北农业大学学报 . 2010, (5): 40 -44 .