Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Adolphe Monkiedje"'
Autor:
Adolphe Monkiedje, Saurelle Jacqueline Ngouopiho Maniepi, Sebastian Zuehlke, Michael Spiteller
Publikováno v:
Chemosphere. 69:655-663
The elimination has been studied of racemic and enantioenriched metalaxyl applied as an emulsifiable concentrate and wettable powder combined with copper in a Cameroonian field site. The kinetics of the degradation/dissipation of metalaxyl and its ac
Publikováno v:
Soil Biology and Biochemistry. 39:836-842
A field experiment was conducted to study the changes in the chemical and biochemical attributes of soil quality resulting from a single application of metalaxyl- and mefenoxam-based fungicides applied as their EC and WPC formulations at the commerci
Publikováno v:
Journal of Environmental Quality. 35:2402-2409
The objective of this study was to identify the effect of different land uses in peri-urban agriculture on the soil properties. Soil health indicators were evaluated in the top 10 cm at five tilled agricultural sites involving different cropping syst
Autor:
Adolphe Monkiedje, Michael Schloter, Reiner Schroll, J.C. Munch, U. Bausenwein, Ulrike Dörfler, Shilpi Sharma, Joseph Demanou, K. Pritsch, Thomas Njiné
Publikováno v:
Soil Biology and Biochemistry. 38:2381-2389
The effects of combined application of mefenoxam and copper on soil microbial community structure and function were investigated in laboratory microcosms over 60 days. Mineralisation of 14C-mefenoxam was followed by trapping the evolved 14CO2. The st
Autor:
S. Foto Menbohan, Adolphe Monkiedje, Pierre Servais, Moïse Nola, C. Boutin, S. H. Zebaze Togouet, Thomas Njiné, Mohamed Messouli, Norbert Kemka
Publikováno v:
Revue des sciences de l'eau. 19:101-112
L’alimentation des eaux souterraines procède entre autres par des apports d’eau d’infiltration à travers les différents horizons du sol qui séparent la surface du sol du toit de la nappe phréatique. Une étude a été réalisée au laborat
Autor:
Serge Hubert Zébazé Togouet, Claude Boutin, Adolphe Monkiedje, Mohamed Messouli, Samuel Foto Menbohan, Moïse Nola, Thomas Njiné, Norbert Kemka, Pierre Servais
Publikováno v:
Water, Air, & Soil Pollution. 171:253-271
Groundwater protection from pollutants depends mostly on retention potentials of soil above groundwater table. Soil separating soil surface from groundwater table is made up of several layers and can be divided into different columns along its vertic
Autor:
D. Niyitegeka, Pierre Compère, Thomas Njiné, Serge Hubert Zébazé Togouet, Adolphe Monkiedje, Moïse Nola, Samuel Foto Menbohan, N. Kemka
Publikováno v:
Lakes & Reservoirs: Science, Policy and Management for Sustainable Use. 11:47-55
A 1 year qualitative and quantitative evaluation of phytoplankton and chlorophyll-a, as well as some physicochemical parameters, was recorded in a shallow tropical lake in Cameroon: the Yaounde Municipal Lake. Physicochemical measurements also were r
Autor:
Thomas Njiné, A. L. Meyabeme Elono, S. H. Zebaze, Adolphe Monkiedje, J. E. Djomo, Norbert Kemka, P. B. Tchounwou
Publikováno v:
International Journal of Environmental Research and Public Health, Vol 1, Iss 2, Pp 111-123 (2004)
International Journal of Environmental Research and Public Health
Volume 1
Issue 2
Pages 111-123
International Journal of Environmental Research and Public Health
Volume 1
Issue 2
Pages 111-123
We studied the acute toxicity of a raw effluent from a battery manufacturing plant (Pilcam) in Douala, Cameroon, to a freshwater fish (Oreochromis niloticus), and subsequently evaluated its sub-acute effects on water quality and the biota in freshwat
Autor:
N. Kemka, S. Foto Menbohan, S. H. Zebaze Togouet, Pierre Compère, Thomas Njiné, D. Niyitegeka, Moïse Nola, Adolphe Monkiedje
Publikováno v:
Archiv für Hydrobiologie. 156:495-510
Cyanobacteria species composition, abundance and spatio-temporal variations were recorded weekly in the Yaounde municipal lake (3° 52', 11° 32', Cameroon, Central Africa), during an annual cycle, in relation to physico-chemical parameters of the wa
Publikováno v:
Environmental Science & Technology. 37:707-712
The degradation of the racemic mixture and the enantiomers of metalaxyl in typical soils from Germany and Cameroon has been studied. Formulated and unformulated R-metalaxyl were studied as well as racemic (rac) metalaxyl in controlled incubation expe