Effect of Phosphorus Levels on Growth and Yield of Maize Hybrids
International Journal of Environment and Climate Change · pp. 2308–2313 · Published 5 Sep 2023
10.9734/ijecc/2023/v13i102895Abstract
A field experiment was conducted at the Crop Research Farm, Department of Agronomy, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj during Rabi season 2022 on Maize crop. The experiment was laid out in Randomized Block Design with ten treatments and three replication. The treatment consisted of Maize hybrids (Govinda 111, Hybrid corn 4226, DKC 9133) with soil application of phosphorus (40 kg/ha, 60 kg/ha and 80 kg/ha) and a control (120:60:40 kg NPK/ha). The results of the experiment showed that, plant height (125.65 cm), dry weight (96.59 g/plant), crop growth rate (39.91 g/m2/day), No. of cob/plant (1.33), No. of grains/row (21.36), seed index (23.44 g), grain yield (5.90 t/ha) and stover yield (9.91 t/ha) and harvest index (37.12%) were significantly highest recorded in ‘Hybrid DKC 9133’ with the application of phosphorus 80 kg/ha. Maximum gross returns (1,32,865.00 INR/ha), net returns (89,392.55 INR/ha), and B:C (2.06) were also obtained with the same treatment.
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