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The results are reported of glasshouse trials in which the interspecific effects of barley, white mustard (Sinapis alba) and wild oats (Avena fatua) g...
Read moreTo explore possible ways of reducing the effets of bud-eating in orchards, captive bullfinches [Pyrrhula pyrrhula] were studied in an aviary simulatio...
Read moreFurther observations in Britain [cf. RAE/A 60, 2745] showed that the net annual production of lime saplings (Tilia vulgaris) was 23.4 g dry matter/sap...
Read moreA mechanistic, physiological model has been developed to describe the yearly growth cycle of bracken, and it has been adapted to run using nationally ...
Read moreThe growth of S. molesta (see WA 23, 2847) was analysed under a range of artificial and natural environmental conditions. Growth was exponential. The ...
Read moreU. dioica plants were established in 1970 at 2 sites in E. England in order to study their colonization by insects. Twentyeight species commonly assoc...
Read moreExamination of the effects of vehicle and pedestrian tracks of known age (13 or more years) and intensity of use (single to multiple passages) on vege...
Read moreThe evidence for the suggestion that smoke pollution is the main selective factor determining melanic frequencies of the polymorphic Adalia bipunctata...
Read moreWith the aid of aerial photographs, a survey of the geology, soils, vegetation and land use and an assessment of land capability were made. Erosion is...
Read moreA range of densities of B. sterilis were sown in pots with winter wheat cv. Avalon in 4 soils; a heavy clay loam and a lighter, sandy soil from Oxford...
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