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A New Approach to Humus Balancing in Organic Farming

Brock, Christopher; Hoyer, Uta; Leithold, Günther and Hülsbergen, Kurt-Jürgen (2008) A New Approach to Humus Balancing in Organic Farming. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

[thumbnail of Brock_12077_ed.doc] RTF (Rich Text Format) - German/Deutsch


Humus balances provide a profitable approach for humus dynamics assessment in farming practice. Nevertheless, there is a clear demand for methodological adaptation. This article presents a new approach to humus balancing using reproducible algorithms for the estimation of balance coefficients. Humus balance coefficients for crops and organic fertilizers are estimated according to a bipartite algorithm. Humus demand is calculated on the basis of crop yields referring to the nitrogen household in the plant-soil system. Humus supply is derived from organic matter input with plant material and fertilizers. The new approach facilitates the adaptation of the method to new situations.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:humus balance, methods, management assessment
Subjects: Soil > Soil quality
Research affiliation: International Conferences > 2008: IFOAM OWC: Research Track / ISOFAR > 2.1 Soil fertility
Deposited By: Hoyer, Dipl. Ing. agr. Uta
ID Code:12077
Deposited On:22 Sep 2008
Last Modified:12 Apr 2010 07:36
Document Language:English
Refereed:Peer-reviewed and accepted
Additional Publishing Information:This paper is published in the conference proceedings:
Neuhoff, Daniel; Halberg, Niels; Alfldi, Thomas; Lockeretz, William; Thommen, Andreas; Rasmussen, Ilse A.; Hermansen, John; Vaarst, Mette; Lck, Lorna; Carporali, Fabio; Jensen, Henning Hgh; Migliorini, Paola and Willer, Helga, Eds. (2008) .Cultivating the Future Based on Science. Proceedings of the Second Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), held at the 16th IFOAM Organic World Congress in Cooperation with the International Federation of Organic Agriculture Movements (IFOAM) and the Consorzio ModenaBio, 18 . 20 June 2008 in Modena, Italy.. International Society of Organic Agriculture Research (ISOFAR), c/o IOL, DE-Bonn, Research Institute of Organic Agriculture FiBL, CH-Frick. https://orgprints.org/13672 and https://orgprints.org/13674

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