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Temperatures were measured at four depths in a strip clear-cut black spruce bog to determine the effect of forest canopy removal. Canopy removal had n...
Read moreDuring 1971 micro-meteorological measurements were made in March, May, July, August and October in a 7-year-old hedgerow-type apple orchard. The albed...
Read moreThe ability to predict insect development in field situations is fundamental to pest management programmes and in the understanding of insect phenolog...
Read moreForests of mountain birch (Betula pubescens subsp. tortuosa [B. tortuosa]) in the lower parts of the Abisko valley, northern Sweden, and in the Finnma...
Read moreThe maximum rate of apparent photosynthesis in recently expanded leaves of unshaded Amaranthus edulis plants at 310 ppm. CO2 and 7500 f.c. was 55 ± 5 ...
Read moreFifteen, 45, 60 and 90 cm water were applied before sowing cotton; after irrigation there were 10, 28, 45 and 60 cm of available water respectively in...
Read moreIn this work, we hypothesized that in urban areas with reduced pollution levels, local climatic conditions can be an important driver of lichen divers...
Read moreFor a continuous flow porometer, stomatal resistance can be calculated from a measurement of the relative humidity of the chamber air if the leaf and ...
Read moreThe experimental material (all of Queen Charlotte Islands provenance) consisted of seedlings grown for three months in growth chambers and detached sh...
Read moreFrom sections cut from stems of 10 P. taeda trees on a moderately deep, well drained sandy loam in Duke Forest, N. Carolina, the annual above-ground v...
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