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\bibitem{Korhonen_etal2018} Korhonen, P., Palosuo, T., Persson, T., H{\"o}glind, M., Jego, G., Van Oijen, M., et al. (2018). Modelling grass yields in northern climates -- a comparison of three growth models for timothy. \textit{Field Crops Research}, \textit{224}, 37--47.

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