Effects of bulb source, sowing date and nitrogen on seed yield of white dehydration onion in the Northern Sudan
2006
Ali, G.H.M., Agricultural Research Corporation, Eld-Damer (Sudan). Hudeiba Research Station | Nourai, A.H., Agricultural Research Corporation, Eld-Damer (Sudan). Hudeiba Research Station
Experiments over three seasons at Hudebia Research Station, Northern Region, Sudan evaluated the effects of bulb source, sowing date and nitrogen nutrition on seed yield of the white dehydration onion cv. Nasi. The bulb sources used were whole bulbs and summer multiplied bulbs (splits obtained by the vegetative propagation of bulbs that produced seeds in the preceding winter). Whole bulbs consistently gave higher seed yields than summer multiplied bulbs. The optimum planting dates were mid-October to mid-November. Nitrogen fertilization appreciably increased onion seed yield in two years out of three
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