Magalhaes, J. R.J. R.MagalhaesHuber, D. M.D. M.HuberTsai, C. Y.C. Y.Tsai2011-07-202018-07-062011-07-202018-07-061995http://ntur.lib.ntu.edu.tw//handle/246246/236256en-USInfluence of the form of nitrogen on ammonium, amino acids and N-assimilation enzyme activity in maize genotypes