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.
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References
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Acknowledgement
This research was developed in the framework of a collaborative project between INRA and CIRAD (2000–2002).
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Abiven, S., Recous, S. Mineralisation of crop residues on the soil surface or incorporated in the soil under controlled conditions. Biol Fertil Soils 43, 849–852 (2007). https://doi.org/10.1007/s00374-007-0165-2
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DOI: https://doi.org/10.1007/s00374-007-0165-2