Response of the Field Performance of Two Varieties of Carrot (Daucus carrota L.) to Tillage and Mulching in Ekpoma, A Derived Savannah Ecological Zone of South-South Nigeria
Journal Title: International Journal of Research in Chemistry and Environment (IJRCE) - Year 2012, Vol 2, Issue 4
Abstract
An experiment to determine the effects of tillage and mulching on the growth and yield of two varieties of carrot was conducted in the Teaching and Research Farm, Ambrose Alli University, Ekpoma, Edo State Nigeria, during the 2010 regular planting season. All season cross and Touchon varieties of carrot were each grown on the flat and on ridges with and without mulching in a 2×4 factorial arrangement fitted into a randomized complete block design with three replications. The two varieties were not significantly (P>0.05) different in height and foliage production but differed significantly (P<0.05) in all the yield parameters. All season cross variety had a 3.9 tons/ha higher yield advantage over the Touchon variety because of thicker and heavier roots produced. All the growth and yield parameters of the two carrot varieties except root length, increased significantly (P<0.05) with mulching alone and tilling/ mulching comparative to no till/no mulch and tilling alone. While root girth was depressed by 0.03% due to tilling alone, it increased by 0.07% and 23.5% due to mulching alone and tilling/mulching respectively comparative to the no till/no mulch control treatment. Root weight and yield which responded identically to the various treatments, increased by about 0.09%, 36.1% and 63.1% due to tilling alone, mulching alone and tilling/mulching. Response in growth and yield to tilling/mulching as a combined treatment was spectacular (tilling and mulching complementing each other) and indicative of a potential cultural practice for improved production of carrots in this ecological zone of Nigeria.
Authors and Affiliations
Okaka B. , Imhanrenezor O.
Keywords
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