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Impact of climatic variables on the spatial and temporal variability ofcrop yield and biomass gap in Sub-Saharan Africa- a case study inCentral Ghana

We investigated the impact of climate variables on yield and biomass gap variability in two humid topi-cal regions, Brong-Ahafo and Ashanti region, of central Ghana using the crop model LINTUL5 embedded into a general modeling framework, SIMPLACE (Scientific Impact Assessment and Modelling Platform for Advanced Crop and Ecosystem Management). The simulations were run using a late maturity maize variety (Obatanpa) and historical weather data (1992–2007) across the 18 districts of the regions studied. The simulated maize yield and biomass production under water-limited conditions varied spatially which was significantly correlated with the solar radiation and precipitation in the crop growing period , whereas, associated temporal variability in the simulated maize yield was significantly correlated with the radiation in the crop growing period.

Srivastava Amit Kumar, Mboh Cho Miltin, Gaiser Thomas, Ewert Frank
2016
Elsevier