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THE RELEVANCE OF SUBSOIL C AND N FOR THE ASSESSMENT OF CROPPING SYSTEM IMPACT ON SOIL ORGANIC MATTER

Knebl, Lucas; Leithold, Günter and Brock, Christopher (2014) THE RELEVANCE OF SUBSOIL C AND N FOR THE ASSESSMENT OF CROPPING SYSTEM IMPACT ON SOIL ORGANIC MATTER. In: Rahmann, G. and Aksoy , U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 2, Thuenen Report, no. 20, pp. 387-390.

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Summary

The aim of this study was to verify the importance of subsoil SOC and STN amounts in the evaluation of the effects of the tillage treatments on soil organic matter (SOM). The research was carried out in the Organic Arable Farming Experiment Gladbacherhof (OAFEG). It could be observed that tillage does not show any significant effects on SOC and STN in the topsoil, but influences their dynamics in the subsoil. In particular, SOC and STN decreases with all reduced tillage treatments, while FIT had no significant SOC change, and even showed a significant STN increase in the subsoil. The consideration of subsoil SOM changes therefore makes a difference in the interpretation of treatments compared to an evaluation based on topsoil-data.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:soil organic matter; subsoil; tillage
Agrovoc keywords:
Language
Value
URI
English
soil organic matter
http://aims.fao.org/aos/agrovoc/c_35657
English
Subsoil
http://aims.fao.org/aos/agrovoc/c_7486
English
Tillage
http://aims.fao.org/aos/agrovoc/c_7771
Subjects: Crop husbandry > Soil tillage
Research affiliation: Germany > University of Gießen > Institute of Agronomy and Plant Breeding II
International Conferences > 2014: 18th IFOAM OWC Scientific Track: 4th ISOFAR Scientific Conference
ISBN:978-3-86576-128-6
DOI:10.3220/REP_20_1_2014
Deposited By: Knebl, Lucas
ID Code:23800
Deposited On:28 Oct 2014 12:31
Last Modified:28 Oct 2014 12:31
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:urn:nbn:de:gbv:253-201407-dn053621-1

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