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Sample size estimates for monitoring population densities of Tetranychus urticae and Panonychus ulmi in apple orchards in South Africa were derived fr...
Read moreEffects of total solar radiation and temperature on the early vegetative growth of Helianthus annuus cv. Polestar and Phaseolus vulgaris cv. Canadian ...
Read moreThe population dynamics of the annual weed Emex australis are described for 3 sites in south-eastern Australia. A graphical test showed a random spati...
Read moreThe growth, reproduction, and survival of cucumbers were studied in experimental plots with two spacings (56 and 77 cm between plants) and two diversi...
Read moreThe numbers of Brevicoryne brassicae and its parasites and predators in a crop of brussels sprouts were counted during a season. The results were grou...
Read moreSeveral decades of frustrated attempts to prevent fires in the Brazilian Savanna (Cerrado) have led to deleterious ecological and management consequen...
Read moreA method of detecting slugs below ground, using recoverable potato baits in a medium heavy silt soil, is described. Arion hortensis and Milax buda-pes...
Read moreRainfall data were collated for years preceding historical outbreaks of Mastomys [Praomys] rats in East Africa in order to test the hypothesis that su...
Read moreCattle egrets (Ardeola ibis) feeding in dairy pastures in the south-western Cape, South Africa, ate mainly grasshoppers, caterpillars and earthworms, ...
Read moreIn each of three years, sugar beet was grown on; seven different soils with two rates of fertilizer-N. Differences in yield between different soils an...
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