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Phosphordüngewirkung von Recyclingdüngemitteln

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Möller, Kurt (2017) Phosphordüngewirkung von Recyclingdüngemitteln. Paper at: 14. Wissenschaftstagung Ökologischer Landbau, Campus Weihenstephan, Freising-Weihenstephan, 07.-10. März 2017.

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Summary

Phosphorus (P) is an essential element for all living organisms, and at the current rate of extraction, global reserves will be exhausted in the next few centuries. Often, P balances calculated for organically managed arable systems indicate that more P is removed with the products than applied as fertilizer. Within the IMPROVE-P consortium, the relative P fertilizer effectiveness of most recycling P fertilizers was assessed. Most organic P fertilizers with exception of meat and bone meal have a relatively high relative P effectiveness. Struvite obtained from chemical approaches for P recycling also showed high P effectiveness, while incineration and most other thermal approaches downgraded the final fertilizer value by the loss of organic matter, nitrogen and sulfur, and by reducing the P fertilizer efficiency. The suitability of recycling P fertilizers as P source is largely dependent on the soil reaction.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:phosphorus, recycling, relative P fertilizer efficiency
Subjects: Soil > Soil quality
Crop husbandry > Composting and manuring
Soil > Nutrient turnover
Research affiliation: Germany > University of Hohenheim > Institute of Crop Science
International Conferences > 2017: Scientific Conference German Speaking Countries > Soil fertility
ISBN:978-3-89574-925-4
Deposited By: Hasreiter, Anna
ID Code:31901
Deposited On:04 Jul 2017 17:21
Last Modified:04 Jul 2017 17:21
Document Language:German/Deutsch
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:Dieser Beitrag ist im Tagungsband der 14. Wissenschaftstagung erschienen.
S. Wolfrum, H. Heuwinkel, H.J. Reents, u.a. (Hrsg.) (2017): Ökologischen Landbau weiterdenken - Verantwortung übernehmen - Vertrauen stärken. Beiträge der 14. Wissenschaftstagung Ökologischer Landbau, Freising-Weihenstephan, 7.-10. März 2017
Verlag Dr. Köster, Berlin

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