Optimum Sowing Window and Yield Forecasting for Maize in Northern and Western Bangladesh Using CERES Maize Model

Determination of the optimum sowing window not only can improve maize yield significantly but also fit in existing cropping pattern. To get advantages at time, a study was designed and carried out research field Bangladesh Agricultural Research Institute, Rangpur, during 2015–2017. Another aim to forecast for northern western regions using CERES-Maize model. The considered 5 November, 20 December, January as dates identify window. Three hybrid varieties, viz., BARI Hybrid Maize-9 (BHM-9), NK-40, Pioneer30V92 were used. laid split-plot design, assigning main plot varieties sub-plot. yield, daily weather data 2017 subjected run model along with thirty years (1986–2015) data. genetic coefficients tested obtained through calibration by observed 2015–2016 validation 2016–2017. seasonal analysis done DSSAT confirm experimental findings optimizing region (Rangpur) country subsequently adjusted (Jashore). performances satisfactory crop phenology, biomass, grain yield. NRMSE anthesis 0.66% 1.39%, 0.67% 0.89% maturity date, 1.78% 3.89% 1.73% 3.17% biomass Rangpur November December Jashore region. promising forecasting varieties. It gave realistic approximately 45 days prior harvest all results are expected be useful both farmers policy planners meet up future demands.