外源氮对紫花苜蓿固氮酶活性和酰脲含量的影响及其相关关系研究
冯博政, 刘晓静, 郝凤, 于铁峰
Correlation and Effects of Exogenous Nitrogen on Nitrogenase Activity and Ureide Content of Medicago sativa L.
FENG Bo-zheng, LIU Xiao-jing, HAO Feng, YU Tie-feng
草地学报 . 2016, (2): 351 -357 .  DOI: 10.11733/j.issn.1007-0435.2016.02.016