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A computer model is described which simulates the spread of barley yellow dwarf luteovirus (BYDV) by aphids in winter cereals in SW England. The model...
Read moreThe rate of deforestation in West Africa was around 2% (12 000 km2) per annum during the 1980s, and recent evidence from Cameroon suggests that the ra...
Read moreAfter 2 trials in late winter 1973-4, 6 main experiments were conducted over the winter periods of 1974-5 and 1975-6 to determine the loss of herbage ...
Read moreModerate grazing by Hereford cattle or by sheep on the Mundi Mundi Plain, New South Wales, in 1980-87 did not affect the population dynamics of the pe...
Read moreFlooding governs riparian plant diversity along boreal rivers but the ecological role of extreme floods is only partly understood. We studied the dyna...
Read moreIntroduced plant species modify the environment and alter ecological interactions in communities, often to the detriment of native fauna, but the caus...
Read moreOffset policies are used world-wide as a means to compensate for destruction of ecosystems by requiring developers to restore or preserve ecosystems e...
Read moreIn glasshouse experiments, applications of phosphorus to nitrogen-free yellow sand and to surface soil from three forest sites significantly increased...
Read moreRice cv. Hokkaido-Carny was germinated in distilled water with or without impedance of surface O2 exchange by a 0.3-, 1.0- or 10-mm film of olive oil ...
Read moreVarious growth parameters of young seedlings of tall fescue cv. S170 grown at 10, 15, 20, 25 and 30 deg C were recorded. At 25 deg C individual leaves...
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