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Percentage root infection of Agropyron smithii and A. intermedium by vesicular-arbuscular mycorrhizae was measured and soil spores were counted in 6 r...
Read moreThe construction and calibration of a sensor for measuring light interception in crop canopies are described.
Read moreExperiments were performed to assess the competitive and reproductive abilities of 5th-generation farmed salmon and their potential effects on populat...
Read moreSocial media has created new opportunities to map cultural ecosystem services (CES) related to biodiversity at large scales. However, using these nove...
Read moreThis study analyzes the link between labor productivity of tea-plantation workers in Sri Lanka and their living conditions. The results indicate a sig...
Read morePresents a quantitative study of canopy morphology based on data collected during and after the 1971 growing season, in a 14-year-old stand of Pinus t...
Read morePresents part III of a study (earlier parts of which had different titles and were concerned with non-forest species) consisting of a detailed investi...
Read moreA variety indigenous to northern Nigeria yields best in its own locality, the time of flowering coinciding with the end of the rainy season. If the va...
Read moreA transect of 44 pitfall traps passing through 11 point habitats associated with citrus in South Africa captured 10 488 individuals comprising 23 gene...
Read moreThe following is based largely on the author's summary of this account of investigations in Kenya. The percentage of barley shoots attacked by larvae ...
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