Sirius is a process-based crop simulation model.  Initially developed for wheat, Sirius has been extended to model inter-plant competition and other species. Sirius is a well validated model and was able to simulate accurately crop growth in a wide range of environments, including Europe, USA, New Zealand and Australia, and for experiments of climate change, e.g. Free-Air Carbon Dioxide Enrichment (FACE) experiments.

Sirius can be used by an individual from academic, governmental and non-profit organisations for research. The use of Sirius in a funded research project requires a licence. Sirius cannot be used for commercial applications. 

This software is provided “as is”, without warranty of any kind. In no event shall the authors or copyright holders be liable for any claims, damages or other liability. Please, register your copy by sending your name, affiliation and intended use to mikhail.semenov@gmail.com.