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Biology and Fertility of Soils

, Volume 43, Issue 6, pp 849–852 | Cite as

Mineralisation of crop residues on the soil surface or incorporated in the soil under controlled conditions

  • Samuel Abiven
  • Sylvie Recous
Short Communcation

Abstract

In the present work, we compare the effect of mature crop residues mixed into a ferralitic soil or placed as a single layer on soil surface on the mineralisation of C and N over 55 days. As residues, we used dry stems of rice, soybean, sorghum, brachiaria and wheat. There were no significant effects of residue placement on C mineralisation kinetics. Decomposition of the residues on the soil surface slightly increased net N mineralisation for residues having the smallest C/N ratio.

Keywords

Carbon Crop residue Location Nitrogen Mineralisation 

Notes

Acknowledgement

This research was developed in the framework of a collaborative project between INRA and CIRAD (2000–2002).

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  1. 1.Department of GeographyUniversity of ZurichZürichSwitzerland
  2. 2.UR1158 Unité d’AgronomieINRALaonFrance

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