Effect of nitrogen fertilizer rates and intra-row spacing on yield and yield components of onion (Allium cepa L. Var. cepa) under irrigation in Gode, South-Eastern Ethiopia

Type Journal Article - International Journal of Plant Breeding and Crop Science
Title Effect of nitrogen fertilizer rates and intra-row spacing on yield and yield components of onion (Allium cepa L. Var. cepa) under irrigation in Gode, South-Eastern Ethiopia
Author(s)
Volume 2
Issue 2
Publication (Day/Month/Year) 2015
Page numbers 46-54
URL http://premierpublishers.org/full-articles/effect-of-nitrogen-fertilizer-rates-and-intra-row-spacing​-on-yield-and-yield-componenets-of-onion-allium-cepa-l-var-cepa-under-irrigation-in-gode-southeaster​n-ethiopia.pdf?view=inline
Abstract
A field experiment was conducted at Gode Polytechnic College demonstration farm in 2013
under irrigation to observe the effect of six N rates (0, 46, 69, 92, 115 and 138 kg ha-1
) and four
intra-row spacing levels (7.5, 10 12.5 and 15 cm) on yield and yield components of onion (Allium
cepa L.). The experiment was laid out according to randomized complete block design in
factorial arrangement with three replications. Results of the analysis revealed that the
interaction effects of N rates and intra-row spacing showed highly significant (P<0.01) effect on
harvest index, fresh biomass yield, dry biomass yield, total bulb yield and marketable bulb yield.
Thus, according to the result of partial Budget analysis application of 138kg N ha-1
planted at
7.5cm plant to plant distance was found the best treatment than others in relation to yield and
yield components of onion under Gode condition.

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