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Journal Article 2011-04-15

Autor: Moebius-Clunee, B.N. Es, H.M. van Idowu, O.J. Schindelbeck, R.R. Kimetu, J.M. Ngoze, S. Lehmann, Johannes Kinyangi, James

Loss of agroecosystem soil functions due to soil quality (SQ) degradation impacts Africa's agricultural viability and food security. Primary forest and farm fields deforested between 1930 and 2000 were sampled along a chronosequence on two parent materials in western Kenya. Two traditional long-t...

Enlace original: https://cgspace.cgiar.org/handle/10568/25020

Investigación en Agricultura
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Moebius-Clunee, B.N. ,  Es, H.M. van ,  Idowu, O.J. ,  Schindelbeck, R.R. ,  Kimetu, J.M. ,  Ngoze, S. ,  Lehmann, Johannes ,  Kinyangi, James ,  [Long-term soil quality degradation along a cultivation chronosequence in western Kenya] ,  Long-term soil quality degradation along a cultivation chronosequence in western Kenya
Journal Article 2008-07-11

Autor: Nguyen, B.T. Lehmann, Johannes Kinyangi, James Smernik, R. Riha, S.J. Engelhard, M.H.

Black carbon (BC) is a quantitatively important C pool in the global C cycle due to its relative recalcitrance compared with other C pools. However, mechanisms of BC oxidation and accompanying molecular changes are largely unknown. In this study, the long-term dynamics in quality and quantity of ...

Enlace original: https://cgspace.cgiar.org/handle/10568/2173

Investigación en Agricultura
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Nguyen, B.T. ,  Lehmann, Johannes ,  Kinyangi, James ,  Smernik, R. ,  Riha, S.J. ,  Engelhard, M.H. ,  [Long-term black carbon dynamics in cultivated soil] ,  Long-term black carbon dynamics in cultivated soil
Journal Article 2009-09-15

Autor: Solomon, D. Lehmann, Johannes Kinyangi, James Biqing, L. Heymann, K. Dathe, L. Hanley, K. Wirick, S. Jacobsen, C.

Natural organic matter (NOM) is a highly active component of soils and sediments, and plays an important role in global C cycling. However, NOM has defied molecular-level structural characterization, owing to variations along the decomposition continuum and its existence as highly functionalized ...

Enlace original: https://cgspace.cgiar.org/handle/10568/2167

Investigación en Agricultura
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Solomon, D. ,  Lehmann, Johannes ,  Kinyangi, James ,  Biqing, L. ,  Heymann, K. ,  Dathe, L. ,  Hanley, K. ,  Wirick, S. ,  Jacobsen, C. ,  [Carbon (1s) NEXAFS spectroscopy of biogeochemically relevant reference organic compounds] ,  Carbon (1s) NEXAFS spectroscopy of biogeochemically relevant reference organic compounds

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