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Monocultures and mixtures of crimson clover and ryegrass (Lolium multiflorum) were grown in filtered air or 0.03 or 0.09 p.p.m. O3 concentrations for ...
Read moreA computer model is described which predicts monthly growth, senescence, litterfall and standing biomass of ungrazed herbage in seven dwarf shrub-domi...
Read moreA method for determining tissue turnover in grassland, based on non-destructive measurements of individually marked population units, is presented. Th...
Read moreWeed communities sampled at 78 sites on farmland in the upper Belize Valley, British Honduras, showed 148 different weeds present, of which 103 were i...
Read moreIn pot experiments using fine sandy loam (pH 6.3) ryegrass (Lolium perenne L.), winter wheat (Triticum aestivum L.), red clover (Trifolium pratense L....
Read moreCollembola and Acarina populations were sampled over two years from sites fertilized with three levels of superphosphate (0, 190, 380 kg ha-1yr-1) and...
Read moreMathematical parameters were fitted to a 2-species competition model and a statistical test for the hypothesis that the species are competing for the ...
Read moreIn a field trial near Forbes, central-west New South Wales, Trifolium balansae cv. Paradana and T. resupinatum lines SA 12240 and SA 14433 were sown a...
Read moreThe Acari, Collembola, Thysanoptera and Hemiptera (Aphididae) of various sward types were compared in a replicated field experiment at Grange, Co.Meat...
Read moreFactors which encouraged the establishment of populations of Senecio aquaticus in agricultural grassland in Orkney included (1) the presence of water ...
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