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- [2] SOURCES OF NITROGEN FOR POTATOES IN CALIFORNIA AMERICAN POTATO JOURNAL, 1970, 47 (09): : 355 - &
- [3] The effect of irrigation and nitrogen on powdery scab and yield of potatoes Potato Research, 2002, 45 : 153 - 161
- [5] Evaluation of the effect of three nitrogen sources on nitrogen absorption and corn plant (Zea mays L.) yield REVISTA DE LA FACULTAD DE AGRONOMIA DE LA UNIVERSIDAD DEL ZULIA, 2012, 29 (02): : 202 - 227
- [6] EFFECT OF NITROGEN PHOSPHORUS AND ZINC PLACEMENT ON YIELD AND COMPOSITION OF POTATOES AMERICAN POTATO JOURNAL, 1968, 45 (11): : 442 - +
- [8] EFFECT OF SOURCES, LEVELS AND METHODS OF NITROGEN APPLICATION ON THE YIELD AND NITROGEN UPTAKE OF POTATO INDIAN JOURNAL OF AGRICULTURAL SCIENCES, 1987, 57 (09): : 640 - 645
- [10] EFFECT OF CCC, NITROGEN AND POTASSIUM ON GROWTH AND YIELD OF 2 VARIETIES OF POTATOES JOURNAL OF AGRICULTURAL SCIENCE, 1971, 76 (FEB): : 33 - +