Acta Agrestia Sinica
Response of Root Growth to Nutrient Level in Alfalfa Seedling Stage
XUE Zheng, ZHANG Kun, TANG Hai-yang, SHEN Yi-xin
Acta Agrestia Sinica . 2015, (5): 951 -956 .  DOI: 10.11733/j.issn.1007-0435.2015.05.007