Acta Agrestia Sinica
Study on Nitrogen Utilization Characteristics of Alfalfa with Different Nitrogen Efficiency in Different Growth Periods
WANG Jing, LIU Xiao-jing, HAO Feng, WANG Xue
Acta Agrestia Sinica . 2021, (11): 2461 -2469 .  DOI: 10.11733/j.issn.1007-0435.2021.11.011