INFLUENCE OF CORRUGATION FURROWS ON HYDROLOGICAL PARAMETERS, GROWTH AND YIELD OF FINGER MILLET IN ALFISOLS
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Date
2021-12-14
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University of Agricultural Sciences GKVK, Bangalore
Abstract
The field experiment was carried out during kharif, 2020 at All India Coordinated Research Project for Dryland Agriculture, UAS, GKVK, Bangalore to study the “Influence of Corrugation Furrows on Hydrological Parameters, Growth and Yield of Finger Millet in Alfisols”. The experiment consisted of two treatments i.e., corrugation furrow at 3.5 m interval (T1) and Control (T2). Growing finger millet crop with imposition of corrugation furrows at 3.5 m interval resulted in better average monthly soil moisture content 13.69, 10.37, 11.31, 9.65, 10.39 per cent at 0-15 cm depth and 17.63, 11.59, 13.55, 11.54, 11.59 per cent at 15-30 cm depth at august, September, October, November and December respectively. The runoff and soil loss (109.93 m3 ha-1 and 1.370 t ha-1 respectively) from corrugation furrow treatment were lower as compared to control plot (120.27 m3 ha-1 and 2.235 t ha-1 respectively). After the crop harvest the higher infiltration rate (4.60) cm hr-1 with lower bulk density and particle density (1.41 kg cm-3 and 2.49 kg cm-3 respectively), plant growth and finger millet yield (3293 kg ha-1), higher gross returns (Rs. 116099 ha-1), net returns (Rs. 83236 ha-1) and B:C ratio (3.53) was documented under finger millet with corrugation furrow treatment. It can be inferred from experimentation that finger millet crop with corrugation furrows at 3.5 m interval treatment reduced the runoff and soil loss and increased the yield and economics of the crop when compared to the finger millet without corrugation furrow