Author(s):

Purusharth Katiyar, AK Singh, SR Mishra, Rajan Chaudhari, RK Aryan, Nitish Kumar and Anil Nishad

Abstract: A field experiment was carried out at Agronomy Research Farm, Narendra Deva University of Agriculture & Technology, Narendra Nagar (Kumarganj), Faizabad (U.P.) during Rabi season of 2016-17 to study the “Effect of energy requirement on growth and yield at Rabi maize (Zea mays L.) on various moisture regimes.” The experiment comprised of nine treatment combinations and conducted in Split plot design and replicated four time. Experiment consisted of three crop growing environment viz. 60x 20 cm spacing, 60 x 25 cm and 60 x 30 cm spacing were kept in main plots with three moisture regimes Viz. 0.6 IW/CPE ratio, 0.9 IW/CPE ratio and 1.2 IW/CPE ratio were kept in sub plot. Result reveal that Crop growing Environment of 60x20 cm spacing (83,333 plants/ha) was found suitable for optimum growth and yield of Rabi maize. Among crop growing environment, sowing done at 60x20 cm spacing recorded higher days taken from sowing to maturity while among moisture regime 1.2 IW/CPE ratio recorded higher days taken from sowing to maturity. Moisture regimes of 1.2 IW/CPE ratio was found suitable for higher growth and yield of Rabi maize. Crop growing Environment of 60x20 cm spacing and Moisture regimes of 1.2 IW/CPE ratio recorded higher heat use efficiency from sowing to maturity of Rabi maize.

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