Influence of twin row production system and levels of nitrogen on growth and yield of rabi maize (Zea mays L.)
2019
A field experiment was conducted at College Agronomy Farm, B. A. College of Agriculture, Anand Agricultural University, Anand with a view to study influence of twin row production system and levels of nitrogen on growth and yield of rabi maize (Zea mays L.) during rabi season of the year 2017-18. The experiment consisted of twelve treatment combinations comprised of three row systems and four levels of nitrogen tested under Split Plot Design (SPT) with four replication. The results revealed that twin row system of 30-60 cm x 20 cm recorded maximum plant height at 60 DAS and at harvest, higher plant dry biomass and crop growth rate at 60 DAS. Relative growth rate (g/g/day) remained unaffected due to different row systems. Application of 140 kg N/ha recorded significantly higher plant height at 60 DAS and at harvest, plant dry biomass at 60 DAS, crop growth rate at 30-60 DAS and relative growth rate (g/g/day) at 0-30 DAS. Among all the treatment combinations, treatment combination R2N4 (30-60 cm x 20 cm + 140 kg/ha) recorded significantly higher plant dry biomass (56.88 g/plant) and grain yield (5378 kg/ha) while treatment combination R1N4 (30-45 cm x 20 cm + 140 kg/ha) recorded significantly higher Stover yield (12825 kg/ha).
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