3种因素对野花组合建植初期花卉密度和杂草密度的影响
秦贺兰1,梁芳1,许超1,丛正2
Effect of 3 factors on density of both flower and weed inwildflower meadows at the beginning stage
Qin He-lan1,Liang Fang1,Xu Chao1,Cong Zheng2
河北林果研究 . 2014, (2): 194 .