Choudhury, A.T.M.A. and Khanif, Y.M. 2002. EFFECTS OF MAGNESIUM FERTILIZATION ON RICE YIELD, MAGNESIUM AND POTASSIUM UPTAKE BY RICE AT VARIABLE APPLIED POTASSIUM LEVELS. Biological Sciences - PJSIR. 45, 5 (Oct. 2002), 345–349.