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- [8] EFFECT OF TIME OF SOWING AND HARVESTING ON GROWTH, YIELD AND NITROGEN FERTILIZER REQUIREMENT OF SUGAR-BEET .1. YIELD AND NITROGEN UPTAKE AT HARVEST JOURNAL OF AGRICULTURAL SCIENCE, 1973, 81 (OCT): : 267 - 275
- [9] THE EFFECT OF DIFFERENTIATED NITROGEN APPLICATION RATES ON THE YIELD AND QUALITY OF SUGAR-BEET ROSTLINNA VYROBA, 1981, 27 (07): : 693 - 706