Effect of nitrogen fertilization on yield, N content, and nitrogen fixation of alfalfa and smooth bromegrass grown alone or in mixture in greenhouse pots
XIEKai-yun, LIXiang-lin, HEFeng, ZHANGYing-jun, WANLi-qiang, DavidB Hannaway, WANGDong, QINYan, GamalM A Fadul
Effect of nitrogen fertilization on yield, N content, and nitrogen fixation of alfalfa and smooth bromegrass grown alone or in mixture in greenhouse pots
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