引用本文: | 汪武静, 王明利, 吕官旺, 刘玉凤, 石自忠. 美国苜蓿贸易----趋势,经验与启示[J]. 草业科学, 2016, 10(3): 527-534. DOI: 10.11829/j.issn.1001-0629.2015-0397 |
Citation: | Wu-jing Wang, Ming-li Wang, Guan-wang Lyu, Yu-feng Liu, Zi-zhong Shi. Trend, lessons and enlightenment of the alfalfa trade in the United States[J]. Pratacultural Science, 2016, 10(3): 527-534. DOI: 10.11829/j.issn.1001-0629.2015-0397 |