http://orgprints.org/3651/ Wirkungen differenzierter Bodenbearbeitungssysteme im Dauerversuch Scheyern After a 12-year differing tillage in a 7-phase crop rotation with lay, potatoes, wheat, sunflowers, lay, wheat and rye it was found, that mouldboard-ploughing (P) resulted in less weed. Crop yields were as high as in the treatment with ploughing after lay and chiselling after potatoes and sunflowers (B). Lowest yields were obtained without ploughing but using the chisel (G). Weeds, esp. grasses, resulted in a huge competition for crops esp. after lay. Profit margins were highest in B due to lower expenditures for tillage and lowest in G. Soil organic carbon amounts differed by 1,5 t/ha and earthworm biomass by 0,25 t/ha between P and G after 12 years. It can be summed up for this experiment that G was not sustainable due to weeds and declining yields, and that B resulted in best economic profit, increasing SOM content and seems to be a sustainable compromise. Kainz, M Gerl, G Lemnitzer, B Bauchenß, J Hülsbergen, K-J 9weed 2farming 2soilbiol 4tillage wissenschaftstagung-2005 coordinator-organic-farming Wirkungen differenzierter Bodenbearbeitungssysteme im Dauerversuch Scheyern 2005-03-05 Kainz, M; Gerl, G; Lemnitzer, B; Bauchenß, J and Hülsbergen, K-J (2005) Wirkungen differenzierter Bodenbearbeitungssysteme im Dauerversuch Scheyern. [Effects of Different Tillage Systems in the Long-term Field Experiment Scheyern.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005 - 04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel. Heß, J Rahmann, G application/pdf