Soil fertility and biodiversity in organic farming.


An understanding of agroecosystems is key to determining effective farming systems. Here we report results from a 21-year study of agronomic and ecological performance of biodynamic, bioorganic, and conventional farming systems in Central Europe. We found crop yields to be 20% lower in the organic systems, although input of fertilizer and energy was reduced by 34 to 53% and pesticide input by 97%. Enhanced soil fertility and higher biodiversity found in organic plots may render these systems less dependent on external inputs.

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@article{Maeder2002SoilFA, title={Soil fertility and biodiversity in organic farming.}, author={Paul Maeder and Andreas Fliessbach and David Dubois and Lucie Gunst and Padruot Men Fried and Urs A. Niggli}, journal={Science}, year={2002}, volume={296 5573}, pages={1694-7} }