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In connexion with studies of insect pests and vectors of disease in Cocoa plantations, an investigation was made of the fungus pathogens of ants and o...
Read moreSelection of shade tree species for agroforestry systems must take the complexity of these systems into account. Tree species selection should maximiz...
Read moreA. albida, which grows along seasonal watercourses in this region, flushes and flowers at the beginning of the dry season and is leafless during the r...
Read moreIn a cocoa plantation in Costa Rica, T. jaty was a common visitor to the flowers; on 70% of observed visits, the bees collected pollen. However, fruit...
Read moreSeed germination in Agrostis capillaris, Holcus lanatus, Poa trivialis, Cynosurus cristatus and Festuca rubra was investigated in the dark at temp. ra...
Read moreWheat cv. Concorde, Chenopodium album, Agropyron repens [Elymus repens] and Spergula arvensis were grown in pure stands and in mixtures of weeds with ...
Read moreMonthly totals of arthropods found killed by pathogenic fungi in collections from 5 X 4 quadrats in three forest types in Ghana were shown to be inver...
Read moreThe foliage areas exposed to direct sunlight, or shaded from it by other foliage, can be calculated for any particular foliage-area index given the in...
Read moreGrassland plots in the Serengeti National Park were burnt at the beginning of the 1986 dry season during the period of max. fire frequency. The availa...
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