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A sward of perennial ryegrass cv. S23 grown during 1979-81 was treated on 20 April with 130 kg N/ha as ammonium nitrate doubly labelled with 15N, foll...
Read moreSoyabeans cv. Davis were grown in the field in open-top chambers ventilated with charcoal-filtered air, non-filtered air or non-filtered air to which ...
Read moreAn assumption of the quotient method, a risk assessment methodology, was tested by determining if demographic responses of Microtus canicaudus to 5 ap...
Read moreExperiments in closed jars with lily bulbs at 25°C showed that the predator, Hypoaspis aculeifer, can suppress populations of its prey, Rhizoglyphus r...
Read moreRecruitment, mortality, population flux and reproductive efficiency of Eupatorium odoratum was investigated in plant successions occurring after slash...
Read moreNovel insecticides are continuously being developed for application in response to increased legal restriction of previously developed insecticides an...
Read moreDuring winter 1987-88 and 1988-89 in Quebec, food quality (protein, total non-structural carbohydrates (TNC) and phenolics) was much greater, and vari...
Read moreResults are presented from a study of 20 street trees (8 on the E. side of the street, 12 on the W. side, 9 Fraxinus pennsylvanica, 11 Tilia cordata) ...
Read moreLime has been applied to lakes and catchment areas in order to counteract the effects of acidification. Results are reported from laboratory and field...
Read moreThe distribution of dispersal distances (the dispersal kernel) is a major determinant of spatial population dynamics, yet little is known about the sh...
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