牧草联合固氮研究概况
王慧敏,孙海莲,刘亚红,邱晓,杨鼎
Research Survey of Forages Associative Nitrogen-fixing
畜牧与饲料科学 . 2014, (5): 40 -40 .  DOI: 10.12160/j.issn.1672-5190.2014.05.017