National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
The field experiment was conducted at Research Farm, Dept of Agricultural Meteorology, CCS HAU, Hisar (Lat.: 290 10’ N, Log.: 75036’ E & 215.2 m above msl), Haryana, India during the rabi season of 2014-15 and 2015-16. Experimental designed laid out with strip plot, as main plot treatment: four growing environments i.e. D1: 5th Nov., D2: 20th Nov., D3: 5th Dec. and D4: 20th Dec. and sub-plot treatment: four irrigation regimes, it applied at different phenophases (I1-CRI, I2- CRI and heading, I3- CRI+ jointing and milking, I4- CRI+ jointing + anthesis and dough stage). Crop growth and yield data of 2014-15 were used for calibration of DSSAT model and cultivar coefficients for WH1105 based on the observed crop characteristics. Genetic coefficient parameters are in the ranges obtained by the few other studies conducted on wheat with the exception of parameters G1, G2, and G3, related to grain growth. Sensitivity of simulated grain yield to down scaled sunshine hours, solar radiation -0.5 to -2.5 hours and -1°C to -5 MJ-2 day-1 showed a gradual decrease in grain yield, respectively.
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