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(I) The selection of suitable shade trees for use in Tea plantations (Camellia sinensis) is a major problem in NE India since the destruction of large...
Read moreIn connexion with studies of insect pests and vectors of disease in Cocoa plantations, an investigation was made of the fungus pathogens of ants and o...
Read moreA study was made in the Northern Province, during Aug. and Oct. 1968, of the suitability of miombo woodland (Brachystegia/Julbernardia) for cattle rea...
Read moreThe nesting success of the sparrowhawk (Accipiter nisus) in and near arable areas in Britain has declined since 1947, owing to increased egg-breakage ...
Read moreAdults of Hylemya (Erioischia) brassicae (Bch.) labelled with 32P were released 24 m from a plot of cabbage and recaptured with water traps. The respo...
Read moreMonthly totals of arthropods found killed by pathogenic fungi in collections from 5 X 4 quadrats in three forest types in Ghana were shown to be inver...
Read moreIn this part of a series [cf. preceding abstract, etc.], the authors discuss the climatic traits for the development of populations of Aphis craccivor...
Read moreIn the work reported in this part of a series [cf. RAE/A 60, 2210], various components of the biology of Aphis craccivora Koch, the subterranean clove...
Read moreA new instrument for the estimation of the total length of a washed sample of roots is described. It utilizes a photoelectric method to count the numb...
Read moreThe penetration of light into 5 distinct foliage patterns of tea bushes was studied. The 2 foliage types (semi-erect and horizontal) representing most...
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