Effects of Cutting Times and Varieties on the Yield and Nutrient Value of Italian Ryegrass Planted in Northern Regions
FU Zhi-hui, GE Gen-tu, JIA Yu-shan, WANG Zhi-jun, LYU Shi-jie, HOU Mei-ling, NAN Ding-han, YI Ru-le, A Xi-da, JIN Guo
Acta Agrestia Sinica . 2021, (7): 1571 -1577 .  DOI: 10.11733/j.issn.1007-0435.2021.07.025