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Effects of nitrogen fertilization and plant density on yield and quality of tomatoes in the Sudan Gezira


, : Effects of nitrogen fertilization and plant density on yield and quality of tomatoes in the Sudan Gezira. Acta Horticulturae (84): 79-84

Nitrogen applications of 0, 45, 90 or 180 kgN/ha to tomato plants (cv. Early Pack) produced yields of 43.4, 49.9, 48.8 and 45.1 t/ha, respectively. While N application seemed to decrease sunscald incidence, it did not affect fruit quality. Mean total yields for population densities of 12 000, 16 400, 21 600 and 42 000 plants/ha were 42.4, 44.1, 59.6 and 60.9 t/ha respectively. Closer spacing decreased cracking and sunscald incidence, but had no effect on quality.

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