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Wirkungen differenzierter Bodenbearbeitungssysteme im Dauerversuch Scheyern

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.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

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Summary

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.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:weed control, soil fertility, tillage
Subjects: Crop husbandry > Weed management
Farming Systems
Soil > Soil quality > Soil biology
Crop husbandry > Soil tillage
Research affiliation: International Conferences > 2005: Scientific Conference on Organic Agriculture
Germany > University of Munich (TUM) > Chair of Organic Farming
Deposited By: Kainz, Dipl. Ing. Maximilian
ID Code:3651
Deposited On:05 Mar 2005
Last Modified:12 Apr 2010 07:29
Document Language:German - Deutsch
Status:Published
Refereed:Peer-reviewed and accepted

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