NUTRITIONAL REQUIREMENT OF VEGETABLE COWPEA (Vigna unguiculata L.) IN NORTHERN DRYZONE OF KARNATAKA
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Date
2017-08
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UNIVERSITY OF HORTICULTURAL SCIENCES, BAGALKOT
Abstract
An investigation on “Nutritional requirement of vegetable cowpea in northren
dry zone of karnataka” (Vigna unguiculata L.) was undertaken during kharif season
of 2016. The experiment involving two varieties and five different combinations of
chemical fertilizers was laid out in randomized complete block design with factorial
concept and replicated thrice in Haveli farm under University of Horticultural
Sciences, Bagalkot. To assess the performance of cowpea varieties for vegetative,
yield and quality parameters.
Analysis of variance revealed highly significant difference between varieties
and treatment combinations. The variety Arka Suman (V1) found better for growth
parameters (plant height, number of leaves, leaf area index and dry matter production)
as well as yield parameters (number of pods per cluster, pod yield per plant,
pod yield per plot, total bio mass and seed yield) and for quality traits like protein
content and stover yield were found superior in Arka Suman (V1) as compare to
Arka Gariam (V2).
Among different chemical fertilizer treatments, the treatment F1 (125 % RDF
of NPK) recorded significantly higher growth, yield and quality parameters.
Gross returns, net returns and B: C ratios were found significantly higher due
to adoption of 125 % RDF of NPK along with variety Arka Suman (V1) proved to be
most productive as well more economical which results in higher gross return
(43560.6 Rs.), net return (272141.1 Rs.) and B: C ratio (2.66:1).
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