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In order to predict the optimum weeding period, a realistic estimate is needed of the size, timing and duration of a flush of weed emergence in a crop...
Read moreIn a radioecological study of several common species of the Buller Gorge uraniferous area (South Island), the trees Nothofagus fusca and Weinmannia ra...
Read moreSamples from three soils were analysed weekly during six weeks of storage at 5 deg C; at 20 deg C and at field capacity; at 20 deg C after air-drying,...
Read moreThere was a marked diurnal variation of light interception by hedgerow orchards on sunny days in June and July. This variation was considerably reduce...
Read moreSeeds collected from native herbaceous plants in the Sheffield region were subjected to a range of amplitudes of diurnal fluctuations in temp. All exp...
Read morePopulations of D. glomerata from Norway and Portugal were grown in pure stands and in 50:50 mixtures under natural conditions in Aberystwyth. Stands w...
Read moreDaily stem diameter changes were recorded continuously from June to September on peach trees (cv. Springcrest on GF 305 rootstock) irrigated at 50 and...
Read moreSamples of Heteroptera and Auchenorrhyncha were taken from replicated plots grazed by sheep in spring, summer, autumn and winter and from ungrazed are...
Read moreSwedes cv. Victory and sugar beet cv. Klein E were grown at 2 sites in S.E. England and protected by a N.-S. screen with 50% permeability; the height ...
Read moreAccessions of C. virginianum were tested for response to frosting in the field and in controlled environments. Accessions differed in their ability to...
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