Stromberger, J. A.J. A.StrombergerHuber, D. M.D. M.HuberTsai, C. Y.C. Y.Tsai2011-07-222018-07-062011-07-222018-07-061992http://ntur.lib.ntu.edu.tw//handle/246246/236284en-USEffect of enhanced ammonium nutrition on ammonium assimilating enzyme activity in maize