M. Oltmanns

发表

Effect of biodynamic soil amendments on microbial communities in comparison with inorganic fertilization

D. Geisseler, R. Joergensen, J. Raupp, 2017 .

The Rodale Institute Farming Systems Trial 1981 to 2005: long-term analysis of organic and conventional maize and soybean cropping systems.

D. Douds, U. Köpke, J. Raupp, 2006 .

Compost as an Option for Sustainable Crop Production at Low Stocking Rates in Organic Farming

H. Spiess, C. Brock, M. Oltmanns, 2021, Agronomy.

Establishment of a long-term field trial with urban fertilizers - is recycling of nutrients from urban areas to peri-urban organic farms feasible?

J. Magid, L. S. Jensen, S. Bruun, 2006 .

Changes in functional diversity of the soil microbial community in a heterogeneous sandy soil after long-term fertilization with cattle manure and mineral fertilizer

R. Joergensen, J. Raupp, A. Sradnick, 2013 .

Microbial residue indices down the soil profile after long-term addition of farmyard manure and mineral fertilizer to a sandy soil

R. Joergensen, J. Raupp, A. Sradnick, 2014 .

Farmyard manure, plant based organic fertilisers, inorganic fertiliser - which sustains soil organic matter best?

J. Raupp, M. Oltmanns, 2006 .

Microbial biomass and activity down the soil profile after long-term addition of farmyard manure to a sandy soil

R. Joergensen, J. Raupp, A. Sradnick, 2018, Organic Agriculture.

Changes in microbial biomass indices after 10 years of farmyard manure and vegetal fertilizer application to a sandy soil under organic management

R. Joergensen, J. Raupp, S. Heinze, 2011, Plant and Soil.

The DOK experiment (Switzerland).

F. Widmer, F. Oehl, A. Fliessbach, 2006 .

Long-term field experiments in organic farming.

U. Köpke, J. Raupp, C. Pekrun, 2006 .

Long-term monitoring of different management systems within organic farming and their effects on arable land and landscape. Phase I: Monitoring of the conversion to organic farming

B. Freyer, U. Köpke, J. Friedel, 2006 .

Reducing nitrogen and potassium losses during farmyard manure composting by improving composting techniques

J. Raupp, M. Oltmanns, 2006 .

Enrichment of putative plant growth promoting microorganisms in biodynamic compared to organic agriculture soils

Miriam Athmann, J. Fritz, Georg Meissner, 2024, ISME Communications.