The model results are consistent with the empirical results, and can be used to evaluate the effects of climate changes on future crop production.
The results of the analysis show that projected increases in precipitation and temperature for most countries are likely to result in substantial decreases in crop yields in many regions, particularly in the Northern Hemisphere. The empirical approach is based on a global analysis of the effects of 10 major climate variables on crop yields in the United States, Canada, and several other countries (Bond et al. Wilks (1970), and is intended to serve as an empirical tool to predict crop responses to climate change. The model is based on the mechanistic plant growth model of A. This paper presents a new mathematical model and an empirical approach to estimating the effects of climate changes on future crop yields. The problem of estimating future crop response to climate change is an important problem in agricultural science and economics.
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