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- [4] EFFECT OF NITROGEN-FERTILIZER ON CORN YIELD AND SOIL NITRATES MINNESOTA AGRICULTURAL EXPERIMENT STATION MISCELLANEOUS REPORT, 1978, (153): : 3 - 11
- [7] EFFECT OF NITROGEN-FERTILIZER ON YIELD OF PERENNIAL PASTURES IRRIGATED WITH SALINE WATER AUSTRALIAN JOURNAL OF EXPERIMENTAL AGRICULTURE, 1992, 32 (08): : 1087 - 1093
- [10] EFFECTS OF METHOD AND TIMING OF NITROGEN-FERTILIZER APPLICATION ON IRRIGATED MAIZE GROWTH AND NUTRIENT DISTRIBUTION IN SOIL AUSTRALIAN JOURNAL OF EXPERIMENTAL AGRICULTURE, 1984, 24 (127): : 606 - 611