EFFECT OF FOLIAR APPLICATION OF WATER SOLUBLE FERTILIZERS ON GROWTH AND YIELD OF CHICKPEA (Cicer arietinum L.)
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Date
41834
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Publisher
University of Agricultural Sciences GKVK, Bangalore
Abstract
A field experiment was conducted during rabi 2013 on red sandy clay loam soil at Gandhi Krishi
Vignana Kendra, UAS, Bangalore to study the effect of foliar application of water soluble
fertilizers on chickpea. The experiment consisted of fifteen treatments which was replicated thrice
in RCBD. The experiment consisted of five concentrations of water soluble fertilizer; no foliar
spray or control (T1), Water spray (T2), 2% DAP (T3), [0.5%, 1.0%, 1.5% and 2.0% WSF at
flowering (T4 to T7), pod development (T8 to T11) and at both flowering as well as pod
development stages (T12 to T15)].Results indicated that 1.5% spray of water soluble fertilizer
(19:19:19) at flowering and pod development stage along with basal recommended dose (13.5:
25: 25) N, P2O5, K2O significantly increased higher grain yield (1597 kg ha-1) was on par with 2.0
% and was 25.4 % higher as compared to control (1192 kg ha-1). It was also observed that growth
parameters (number of branches, leaf area, total dry matter production) yield attributes (pods
plant -1, pod weight plant -1, 100 seed weight, haulm yield and uptake of major nutrients (N and
K) in chickpea were significantly higher over control and water spray at flowering and pod
development. Phosphorus uptake was however higher in 2% DAP sprayed treatment. Foliar
application of 1.5 % WSF at flowering and pod development recorded higher gross returns
( 55,895 ha-1), net returns ( 37,120 ha-1) and B: C (2.98) compared to 2%DAP and other lower
concentration foliar sprays.
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Keywords
yields, fertilizers, foliar application, irrigation, chickpeas, developmental stages, planting, biological development, sowing, crops