Decomposition of Carbon-14 labeled plant material under tropical conditions

A - Papers appearing in refereed journals

Jenkinson, D. S. and Ayanaba, A. 1977. Decomposition of Carbon-14 labeled plant material under tropical conditions. Soil Science Society of America Journal. 41 (5), pp. 912-915.

AuthorsJenkinson, D. S. and Ayanaba, A.
Abstract

Ryegrass (Lolium multiflorum) and maize (Zea mays) tissue uniformly labeled with 14C were mixed with soil and allowed to decompose under field conditions in the open or under shade. The incubations were done in the forest zone of Nigeria, using a range of contrasting Nigerian soils. Of the ryegrass Coriginally added to the soil, 20% remained after 1 year, falling to 14% after 2 years. After 1 year the soil retained slightly less maize C than ryegrass C, but the difference was small and the overall pattern of decomposition similar. There was little difference between the rate of decomposition under shade or in the open, even though soil temperatures were considerably greater in the open. A soil containing 6% clay (Apomu series) retained slightly less maize C after 1 year than a soil with 16% clay (Egbeda series), but in general the decomposition rates in the different soils were similar.

For ryegrass, the decomposition pattern was very similar under Nigerian conditions to that previously observed for the same plant material in England, except that the whole decomposition process was four times faster in Nigeria.

Year of Publication1977
JournalSoil Science Society of America Journal
Journal citation41 (5), pp. 912-915
Digital Object Identifier (DOI)doi:10.2136/sssaj1977.03615995004100050020x
Open accessPublished as non-open access
Output statusPublished
Publication dates
Print01 Sep 1977
Publication process dates
Accepted12 Apr 1977
Copyright licensePublisher copyright
ISSN0361-5995
PublisherSOIL SCI SOC AMER

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