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Earthworm populations (predominantly Hyperiodrilus africanus and Eudrilus eugeniae) were sampled monthly for 1 yr during 1994 and 1995 in natural regrowth vegetation fallow (dominated by the natural fallow shrub Chromolaena odorata L.), planted fallow (the woody species Senna siamea Lam., Leucaen...
This Soil and Plant Analytical Laboratory Network of Africa (SPALNA) has been involved in training laboratory technologists in Africa on maintenance of science equipment since 1992. We have observed a wide diversity of makes and models of scientific equipment in various laboratories. This makes a...
Depuis lgg2. le spALNA (Reseau des laboratoires cl'analyse des plantes et des sols en Afriqtre) apporteson collcours pour lbrr.ner les techniciens de laboratoire en Afiique d l'entretien et d la uainteuance dcsequipernents scientitiqucs. Cette activiti lui a perrr.ris de collstatcr rtne grande di...
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