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Relationships between red-winged blackbirds (Agelaius phoeniceus) and the chrysomelid Diabrotica longicornis were studied in field maize in Cayuga Cou...
Read moreA biological interpretation was made of spatial distributions of the aleyrodid Trialeurodes vaporariorum reared on Phaseolus vulgaris from various agg...
Read moreThe density and distribution of Nectria galligena were determined on all 16 combinations of 4 cvs (Summerland Red McIntosh, Harrold's Delicious, Spart...
Read moreIn spite of the increasing amount of experimental evidence on the importance of plant species richness for ecosystem functioning at local scales, its ...
Read moreThis manual provides information for planners, developers, managers and decision makers involved with tourism development and resource management in a...
Read moreA technique for measuring photosynthetic rates of attached leaves using 14CO2 was compared, in a field crop of barley, with a non-destructive method w...
Read moreRelative rate of increase of leaf area per plant was measured in field beans during May-Aug. 1966. In the early stages of growth, until LAI reached ab...
Read moreThe equipment described makes use of a continuous measured flow (v) of dry N2O into a porometer cup attached to a known leaf area (a). The gas within ...
Read moreUnder isothermal conditions the decrease in air pressure with elevation enhanced potential transpiration by increasing the leaf to air water vapour gr...
Read moreBioassay based on the uptake of 32P from 5 X 10-6 M phosphate solution during a 15 min period was tested on birch (Betula verrucosa Ehrh.) and sycamor...
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