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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Dissipation and degradation of
14
C-p,p’-DDT and
14
C-p,p’-DDE in tanzanian soils under field conditions
Journal of Environmental Science and Health, Part B, Volume 29, No. 1, Year 1994
Notification
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Description
14C-labelled p,p’-DDT and p,p’-DDE were used to study the dissipation and degradation rates in soil under tropical field conditions in two locations. Dissipation of DDT was more rapid at Magugu (with hot and wet climate) than at Arusha (with cool and wet climate). After 350 days the methanol-extractable residues declined to 14.44% and 33.76% for Magugu and Arusha respectively; while the bound residues gradually increased to a maximum of 10.03% after 106 days in Magugu and 11.99% after 286 days in Arusha. The overall half-life for 14C-dissipation was 174 days for Magugu and 335 days for Arusha. DDT degraded mainly to DDE and to a smaller extent to DDD. The dissipation rate of 14C-DDE in Arusha was little higher than DDT under similar field conditions, with an overall half life of 233 days. © 1994, Taylor & Francis Group, LLC. All rights reserved.
Authors & Co-Authors
Stephens, J.
Tanzania
Tropical Pesticide Research Institute
Maeda, D. N.
Tanzania
Tropical Pesticide Research Institute
Ngowi, Aiwerasia Vera F.
Tanzania
Tropical Pesticide Research Institute
Moshi, A. O.
Tanzania
Tropical Pesticide Research Institute
Mushy, P.
Tanzania
Tropical Pesticide Research Institute
Mausa, E.
Tanzania
Tropical Pesticide Research Institute
Statistics
Citations: 6
Authors: 6
Affiliations: 1
Identifiers
Doi:
10.1080/03601239409372859
ISSN:
03601234
e-ISSN:
15324109