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Effect of seed rate and nutrition on water use efficiency and yield of hydroponics maize fodder

Experiment on “Effect of seed rate and nutrition on water use efficiency and yield of hydroponics maize fodder” was carried out at AICRP on Dry Land Agriculture, University of Agricultural Science, GKVK, Bengaluru during 2017-18. The experiment was laid with Completely Randomized Design having five repetitions with six seed rate treatments viz., 1.50, 1.75, 2.00, 2.25, 2.50 and 2.75 kg m-2 . Seed rate with 2.75 kg m-2 recorded significantly higher water use efficiency (612.22 kg m -3 ) as compared to 1.50 kg m-2 (379.01kg m-3 ) and it was on par with 2.50 kg m2 (599.63 kg m-3 ). Nutritional experiment was laid in Completely Randomized Design with factorial concept with three repetitions each using four different nutrient sources(urea @ 1 %, MOP @ 1 %, urea and MOP each @ 1 % and 19:19:19 @ 1 %) and two levels of spray schedules (one spray at 6 DAS and two sprays at 3 and 10 DAS) and no spray was taken as control. In nutrient study 2.50 kg m-2 was taken as standard seed rate and Significantly higher water use efficiency was recorded with two sprays of urea and MOP each @ 1 per cent at 3 and 10 DAS (744.46kg m-3 ) as compared to control (598.96kg m-3 ). | Effect of seed rate and nutrition on water use efficiency and yield of hydroponics maize fodder