Author(s): Mder P, Fliessbach A, Dubois D, Gunst L, Fried P,
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Abstract 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.
This article was published in Science
and referenced in Agrotechnology