| 1. | EFFECT OF NITROGEN SUPPLY BY AMMONIUM HUMATE ON MAIZE PRODUCTION UNDER SANDY SOIL AND NITROGEN-DEFICIENT CONDITIONS | |
| Pages 171-183 | ||
| Yasser Mohammed El-Edfawy; S Mohamed; A.S. Shehata, | ||
| 2. | THE INFLUENCE OF TILE DRAINAGE SPACING ON WATER-TABLE FLUCTUATION AND ALFALFA CROP PRODUCTION IN THE NORTHEAST NILE DELTA, EGYPT | |
| Pages 185-197 | ||
| Rania Mohammed Elsamet; A. H. I Serag,; Mona, K. M Abdel-Razek | ||
