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There is urgency in optimizing agricultural production in light of climate uncertainty, human population growth and resource limitations. The rhizosph...

The following is based largely on the author's summary. The insect communities on vegetation in a mixed hedgerow and in neighbouring fields of pasture...

Two savanna sites in Gazankulu, South Africa, were fenced in 1984 and subjected to heavy or light grazing for 4 growing seasons. Size-structured matri...

Subseasonal to decadal ocean forecasting can make significant contributions to achieving effective management of living marine resources in a changing...

[Cf. FA 35, 7073] A general theory is presented which describes the interaction between radiation and a Spruce forest. The canopy is divided into a se...

Rainfall data were collated for years preceding historical outbreaks of Mastomys [Praomys] rats in East Africa in order to test the hypothesis that su...

Foraging by honey bees was studied in 1988 and 1989 in an orchard containing 5 cross-pollinating varieties of almond (Prunus dulcis). Every foraging h...

When available data were re-examined with regard to the part played by wild hosts in the infection cycle of CSSV in cacao, Cola chlamydantha could not...

Two models were tested against solar radiation data from a fully-leaved Quercus/Carya forest near Oak Ridge, Tennessee, USA. Vertical profiles of sola...

An equation is given which gives valid estimates of wind profiles in crops of maize and Vicia faba where foliage distribution is reasonably uniform. R...