Author(s):

Barbara M Humtsoe, Joy Dawson and Praveena Rajana

Abstract: The experiment consisted of two levels of Nitrogen at 120 and 150 kg ha^-1, basal application of Boron (5 kg ha^-1) and Zinc (25 kg ha^-1), without and with combination of foliar application of Boron (0.3% at 15 DAS) and Zinc (0.25% at 30 DAS). There were 12 treatments which were replicated thrice and laid out in a Randomized Block Design. Higher plant height, maximum plant dry weight, crop growth rate, more number of cobs plant^-1, more number of grains cob^-1, test weight and grain yield was recorded with (Treatment 12) N at 150 kg ha^-1 (along with P & K each at 75 & 60 kg ha^-1) in combination with Zinc at 25 kg ha^-1 as basal and Boron at 0.3% as foliar spray. This treatment also recorded highest gross return, net return and benefit cost ratio.

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