MEGALAH, S. S., HEGGY, S. E., ABDEL-MAKSOUD, M. M. R., ABDEL-NOUR, A. S. (1994). 'EFFECT OF ZINC LEVELS AND ITS APPLICATION METHODS ON CORN PLANTS GROWN IN DIFFERENT SOILS OF EGYPT', Egyptian Journal of Agricultural Research, 72(1), pp. 23-33. doi: 10.21608/ejar.1994.444791