Open AccessCalibrate and validate CERES-MILLET model under variant environmental condition for different cultivars of summer pearl millet in south Saurashtra region
Author(s) -
HN Kanjiya,
M. C. Chopada
Publication year - 2021
Publication title -
the journal of phytopharmacology
Language(s) - English
Resource type - Journals
ISSN - 2320-480X
DOI - 10.31254/phyto.2021.10312
Subject(s) - saurashtra , stover , anthesis , cultivar , biomass (ecology) , sowing , yield (engineering) , agronomy , mathematics , leaf area index , field experiment , biology , philosophy , linguistics , materials science , metallurgy
The field experiment was conducted during summer season of year 2019 at Instructional Farm, Department of Agronomy, JAU, Junagadh (Gujarat). The experiment was laid out in split plot design, consisting 36 treatment combinations comprised of four sowing dates were 25th January (D1), 5th February (D2), 15th February (D3) and 25th February (D4) and three varieties were GHB-538 (V1), GHB558 (V2) and GHB-732 (V3) with three replications. The result showed that the percent error was below 10 % in most of variables except biomass and harvest index. Thus, model simulated well for anthesis, physiological maturity, grain yield, stover yield and test weight, while, biomass and harvest index simulated fairly well. The mean bias error in all variables were positive, which showed that result were over simulated, except biomass and stover yield. The PE values in most of the cases was less than 10 %, which indicate that results were well matched with model, except biomass and harvest index