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Gives results of measurements of the light reflectance of the bark, the type of stem-epiphyte cover, and the lichen flora of samples of trees of Oak (...
Read moreThree important questions concerning the basic cause of the injuriousness of Tetranychid mites in Australian commercial orchards are whether insectici...
Read moreIn Papua New Guinea the most important cacao pest, Pantorhytes szentivanyi Mshl., is controlled by the ant Anoplolepis longipes (Jerd.) [cf. preceding...
Read moreCacao has been grown on a large scale round Popondetta in the Northern District of Papua New Guinea since 1958. Pest problems were present in the area...
Read moreFurther observations in Britain [cf. RAE/A 60, 2745] showed that the net annual production of lime saplings (Tilia vulgaris) was 23.4 g dry matter/sap...
Read moreWhen about 10% of crops of sweet cherry, kale, field bean and red clover were in flower, colonies were moved to sites either in the crop or at some di...
Read moreBlocks of onion plants were either caged with honeybee colonies or left uncaged. Although the uncaged plants produced fewer umbels, the weight of seed...
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