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Hoftor-Bilanz von Phosphor und Kalium in Öko-Milchviehbetrieben

Leisen, Edmund (2017) Hoftor-Bilanz von Phosphor und Kalium in Öko-Milchviehbetrieben. In: Wolfrum, Sebastian; Heuwinkel, Hauke; Reents, Hans Jürgen; Wiesinger, Klaus and Hülsbergen, Kurt-Jürgen (Eds.) Ökologischen Landbau weiterdenken: Verantwortung übernehmen, Vertrauen stärken, Verlag Dr. Köster, Berlin, pp. 376-377.

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Summary

Between April 2014 and March 2015 farm-gate balances of phosphorus and potassium have been calculated on 82 Organic Farms. Results as follow: An additional fertilization with phosphorus, at least on the long run, seems to be
necessary to adjust negative phosphorus balances. Potassium also often shows negative balances, especially when leaching losses are considered. However, as long as the K-contents in the plants are high, additional potassium fertilization is not
necessary, especially when aspects of animal nutrition are considered.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:Milchvieh, Phosphor, Hoftorbilanz, Öko-Milchvieh
Agrovoc keywords:
Language
Value
URI
English
dairy cows
http://aims.fao.org/aos/agrovoc/c_26767
English
phosphorus
http://aims.fao.org/aos/agrovoc/c_5804
English
potassium
http://aims.fao.org/aos/agrovoc/c_6139
English
balances
http://aims.fao.org/aos/agrovoc/c_9062
Subjects: Soil > Soil quality > Soil biology
Crop husbandry > Composting and manuring
Soil > Nutrient turnover
Farming Systems > Farm nutrient management
Research affiliation: Germany > Federal States > Nordrhein-Westfalen > LWK NRW
Germany > Landwirtschaftskammern > LWK NRW
International Conferences > 2017: Scientific Conference German Speaking Countries > Soil fertility
ISBN:978-3.89574-925-4
Deposited By: Hasreiter, Anna
ID Code:31553
Deposited On:14 Jul 2017 18:43
Last Modified:18 Jan 2022 11:49
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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