Effect of nitrogen fertilization on yield, N content, and nitrogen fixation of alfalfa and smooth bromegrass grown alone or in mixture in greenhouse pots
Titel:
Effect of nitrogen fertilization on yield, N content, and nitrogen fixation of alfalfa and smooth bromegrass grown alone or in mixture in greenhouse pots
Auteur:
XIE, Kai-yun LI, Xiang-lin HE, Feng ZHANG, Ying-jun WAN, Li-qiang David, B Hannaway WANG, Dong QIN, Yan Gamal, M A Fadul