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Preventive control of desert locusts is based on monitoring recession areas to detect outbreaks. Remote sensing has been increasingly used in the prev...
Read moreA study was made to measure compensatory growth responses and to estimate losses associated with bird damage to maturing maize. Maize grains contained...
Read moreTensiometers and electrical-resistance blocks were used to measure water tensions and, indirectly, water contents of a sandy-clay soil under a 16-year...
Read moreNull balance diffusion porometers were used to estimate the variation of stomatal conductance (gs) in a Sitka spruce plantation. Samples were stratifi...
Read moreFarmers' perceptions of the extent of bracken (Pteridium aquilinum) encroachment on upland farms was summarized from a postal questionnaire done in 19...
Read moreWe have little idea how landscape-scale factors influence the success of wild bumblebee nests over time. Here for the first time we use molecular mark...
Read moreIn investigations on Merodon equestris (F.) infesting daffodils in southern England in 1968-71, daily estimates of adult populations were made using a...
Read moreRandom soil samples were used to estimate the number and weight of each species of enchytraeid and lumbricid at fourteen long-established experimental...
Read moreA method for determining tissue turnover in grassland, based on non-destructive measurements of individually marked population units, is presented. Th...
Read moreSample size estimates for monitoring population densities of Tetranychus urticae and Panonychus ulmi in apple orchards in South Africa were derived fr...
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