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Effect of sowing date and seed rate on the growth and yield of direct sown onion (Allium cepa L.) plants



Effect of sowing date and seed rate on the growth and yield of direct sown onion (Allium cepa L.) plants



Egyptian Journal of Horticulture 2(2): 243-256



In 2 trials on onions, Giza, 4 sowing dates (between mid-August and 1 October) and 6 seed rates (5-17.5 kg/feddan) were compared. Delaying the time of sowing resulted in reductions in plant height and the number of tubular leaves but increases in the maximum bulb diameter, neck diameter and dry matter content. There were no noticeable differences in total yield of bulbs between the first 2 sowing dates, but for sowings after 1 September the total yield diminished with time.

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