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Total solar, near infra-red, and photosynthetically active radiation were measured by tube solarimeters at Rothamsted in barley, sugar beet, field bea...
Read more3 long series of rainfall and wheat yield data in climatically different regions of Israel were analysed by means of different statistical methods (mu...
Read moreReports a study in which four unmanaged, even-aged stands of second-growth mixed hardwoods 67-97 years old, dominated by Quercus spp., near Asheville,...
Read moreDescribes the development of a simple predictive model (based on two sets of equations) that uses the timing of vegetative bud burst to examine the re...
Read moreThe shoot-fly larvae overwintering in cut and grazed grass in Northern Ireland were studied over a five-year period. The commonest species found were ...
Read moreMusca vetustissima Wlk., although native to Australia, currently breeds in the dung of exotic stock animals. Biological control could therefore be aim...
Read moreThe effects of two levels of the insecticides carbaryl (0.11 and 1.13 g/m2) and DDT (0.56 and 5.60 g/m2) on the litter fauna of a closed canopy stand ...
Read moreThe temperature requirements of five aphid species (Acyrthosiphon pisum (Harris), Aphis craccivora Koch, Brevicoryne brassicae(L.). Macrosiphum avenae...
Read moreIn investigations in New Zealand, percentage estimates of the total mortality of Pieris rapae (L.) due to ground-living arthropod predators obtained b...
Read moreIn competition experiments the suppression of Early Hybrid by F1 Selma was not eliminated by increasing nutrient supply levels up to several times the...
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