RESPONSE OF BABY CORN (Zea mays L.) FOR FOLIAR APPLICATION OF MACRO AND MICRO NUTRIENTS
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Date
2017-07-27
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University Agricultural sciences,GKVk, Bangalore
Abstract
A field experiment was conducted at Zonal Agricultural Research Station, UAS,
GKVK, Bengaluru during kharif 2016 to study the response of baby corn (Zea mays L.)
for foliar application of macro and micro nutrients. The experiment was laid out in a
RCBD with nine treatments replicated thrice. Application of 75% RDF + 1.5% 19:19:19
spray + 0.2% ZnSO4 + 0.1% FeSO4 recorded significantly higher baby corn and green
fodder yield (244.05 q ha-1 and 85.16 t ha-1, respectively) and was on par with application
of 75% RDF + 1.5% 19:19:19 spray + 0.5% ZnSO4 + 0.1% FeSO4 (212.37 q ha-1 and
76.82 t ha-1, respectively). This was attributed by enhanced growth parameters viz., plant
height (144.91 cm), leaf area (9229.37 cm2 plant-1), total dry matter (152.28 g plant-1) and
yield attributes like number of cobs plant-1 (3.67), length of babies (10.90 cm), girth of
babies (4.07 cm) and weight of babies (23.87 g cob-1). The higher crude protein (18.72
%) and lower crude fibre (4.64 %) was recorded in the same treatment. The highest B:C
ratio (3.54) and net returns (` 95690 ha-1) was obtained with 75% RDF + 1.5% 19:19:19
spray + 0.2% ZnSO4 + 0.1% FeSO4 followed by 75% RDF + 1.5% 19:19:19 spray +
0.5% ZnSO4 spray + 0.1% FeSO4 (3.08 and ` 78705 ha-1, respectively).
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