Filed experiment was conducted during kharif season of 2012 at college farm of Navsari Agricultural University, (Gujarat) to investigate the CERES-Rice model validation for three rice cultivars, viz., V1 - Jaya, V2 - Gurjari and V3 - GNR-2 with three different dates of transplanting, viz., D1- 12 July, 2012, D2- 27 July, 2012 and D3-11 August, 2012 and two nitrogen levels, viz., N1-75 kg/ha and N2-100 kg/ha. The experiment was laid out in a split plot design. The model was subsequently validated against observed data from field experiment. From the response of CERES-Rice model it was found that among the genotypes prediction accuracy for cv. Gurjari at third date of transplanting at 100 kg N level was better in respect to panicle initiation with percent error PE (-4.25%), anthesis (-3.40%) and beginning of grain filling (1.05%). But for physiological maturity stage, cv. GNR-2 was found better at third date of transplanting at same N level with PE (-0.97%) as comparison to other treatments.
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