This website includes programs and models described in the book “Modeling Physiology of Crop Development, Growth and Yield” written by A. Soltani & T.R. Sinclair, Published by CAB International (, Wallingford, UK.

In addition, this website archives different crop models developed based on the concepts described in the above mentioned book and other publications from T.R.Sinclair and co-workers. The models are called ‘Simple Simulation Models (SSM)’.

Contact us:

Thomas R. Sinclair (

Afshin Soltani (