Agriculture Reference
In-Depth Information
Table 3.4.
Changes in δ
13 C signatures of plant materials during decomposition.
Decomposition time
0 day
119 days
374 days
δ
13 C
Desmodium ovalifolium
Leaves
27.3
27.2
27.1
Roots
25.8
25.8
25.5
Brachiariahumidicola
Leaves
11.4
11.7
11.8
Roots
11.9
12.1
12.2
Average SEM
1 0.1
1 0.2
1 0.2
References
Agren, G.I., Bosatta, E. and Balesdent, J. (1996) Isotope discrimination during
decomposition of organic matter - a theoretical analysis. Soil Science Society of
America Journal 60, 1121-1126.
Beart, J.E., Lilley, T.H. and Haslam, E. (1985) Polyphenol interactions. Part 2.
Covalent binding of procyanidins to proteins during acid catalysed decomposi-
tion;
observations
on
some
polymeric
proanthocyanidins.
Journal
of
the
Chemical Society, London , Perkin Transactions 11, 1439-1443.
Benner, R., Fogel, M.L., Sprague, E.K. and Hodson, R.E. (1987) Depletion of 13 C
in lignin and its implication for stable carbon isotope studies. Nature 329,
708-710.
Boddey, R.M., Alves, B.J.R., Urquiaga, S. and Fisher, M. (2000) Potential for
carbon accumulation under Brachiaria pastures in Brazil. In: Kimble, J., Lal, R.
and Follet, R. (eds) Practices and Policies for Carbon Sequestration in Soil .
Advances in Soil Science Series, CRC Press, Boca Raton, Florida (in press).
Cadisch, G., Giller, K.E., Urquiaga, S., Miranda, C.H.B., Boddey, R.M. and
Schunke, R.M. (1994) Does phosphorus supply enhance soil-N mineralization
in Brazilian pastures? European Journal of Agronomy 3, 339-345.
Cadisch, G., Handayanto, E., Malama, C., Seyni, F. and Giller, K.E. (1998) N
recovery from legume prunings and priming effects are governed by the residue
quality. Plant and Soil 205, 125-134.
Cadisch, G., Imhof, H., Urquiaga, S., Boddey, R.M. and Giller, K.E. (1996)
Carbon ( 13 C) and nitrogen mineralization potential of particulate light organic
matter after rainforest clearing. Soil Biology and Biochemistry 28, 1555-1567.
Chesson, A. (1997) Plant degradation by ruminants: parallels with litter decomposi-
tion in soils. In: Cadisch, G. and Giller, K.E. (eds) Driven by Nature:
Plant Litter Quality and Decomposition . CAB International, Wallingford, UK,
pp. 47-66.
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