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Recycling Phosphor Düngemittel für den Ökologischen Landbau

Wollmann, Iris and Möller, Kurt (2015) Recycling Phosphor Düngemittel für den Ökologischen Landbau. Paper at: 13. Wissenschaftstagung Ökologischer Landbau, Hochschule für nachhaltige Entwicklung Eberswalde, 17. - 20. März 2015.

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Phosphorus is an essential, non-substitutable nutrient for all living organisms, and global resources are getting depleted. Cycling of nutrients is a main principle in organic farming, which can make P fertilizers recycled from sewage sludge a suitable alternative. Several Recycling P fertilizers from sewage sludge processing, combined with two different Bioeffector products, were investigated for their P availability in pot experiments with red clover and maize. No significant effects could be shown due to Bioeffector applications. Promising effects of Recycling P-fertilizers could be shown concerning dry matter and plant P-uptake for both maize and red clover. Treatments with struvite reached values comparable with the superphosphate control while sewage sludge ash and the pyrolysis-coal performed in the lower range of the unfertilized and Phosphate Rock (PR) control. Remaining products lied in between. Further research on Recycling P-fertilizers is a promising approach in search of an alternative P supply of crops in the future.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:Phosphorus, Recycling Fertilizer, Bioeffectors, Organic farming
Subjects:"Organics" in general
Soil > Nutrient turnover
Crop husbandry
Research affiliation: European Union > CORE Organic II > IMPROVE-P
Germany > University of Hohenheim > Institute of Crop Science
International Conferences > 2015: Scientific Conference of the German Speaking Countries > Pflanze & Boden
Related Links:http://www.wissenschaftstagung.de/
Deposited By: Wollmann, M.Sc.agr Iris
ID Code:27194
Deposited On:22 Jun 2015 14:39
Last Modified:09 Feb 2016 09:32
Document Language:German/Deutsch
Refereed:Peer-reviewed and accepted
Additional Publishing Information:Dieser Beitrag ist im Tagungsband der 13. Wissenschaftstagung erschienen.
Häring, A.M., Hörning, B., Hoffmann-Bahnsen, R., Luley, H., Luthardt, V., Pape, J., Trei, G. (Hrsg.)(2015):
Am Mut hängt der Erfolg - Rückblicke und Ausblicke auf die ökologische Landbewirtschaftung.
Beiträge zur 13. Wissenschaftstagung Ökologischer Landbau, Hochschule für nachhaltige Entwicklung Eberswalde, 17.-20. März 2015
Verlag Dr. Köster, Berlin

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