Organic EprintsEnvironmental and economic modelling of organic, stockless, horticultural crop rotations UlrichSchmutzauthorFrancisRaynsauthorChrisFirthauthorAntonRosenfeldauthorKristianThorup-KristensenauthorKefengZhangauthorCliveRahnauthorSelected results from the ongoing “EU-Rotate_N” research project are presented. This EU 5th-framework project is developing a model-based decision support system to optimise nitrogen use in horticultural crop rotations across Europe. This paper introduces the economic and the fertility-building crops sub-models, and shows data from model validation and first model runs on an organic farm in central England. Preliminary results show that the model has the potential to be a powerful support tool for farmers and advisors, making decisions on rotational plan-ning. The economic, agronomic and environmental consequences of different rotational designs can be projected and assessed in detail.Farm nutrient management Air and water emissions Farm economics2006Conference paper, poster, etc.

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