施氮量和种植密度对紫花苜蓿生长及种子产量的影响

李丽, 李宁, 盛建东, 王皓

Effects of Nitrogen Fertilizer and Planting Density on Alfalfa Growth and Seed Yield

LI Li, LI Ning, SHENG Jian-dong, WANG Hao

. 2012, (1): 54 -57,62 . DOI: 10.11733/j.issn.1007-0435.2012.01.009