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T. repens plants from 5 populations from calcareous soils and 5 populations from acid soils were grown in sand cultures with varying levels of Ca, Mg ...
Read moreThe author has found that the stages in the ovarian cycle of female of Hylemya (Erioischia) brassicae (Bch.) can be numbered in a similar way to that ...
Read moreAn analysis of the contents of 109 European whitefronted goose (Anser albifrons) fore-guts, and of goose droppings, is described. The diet of the gees...
Read moreIn pot experiments, the growth of barley seedlings was significantly retarded by the presence of live rhizomes of Agropyron repens near their roots. D...
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 moreA model for the growth and development of cassava under pest-free conditions, as modified by weather, soil nitrogen and water, is described. The model...
Read moreLife tables for populations of Hylemya (Erioischia) brassicae (Bch.) on cabbage crops in Canada [cf. RAE/A 60, 538] and England [50, p. 286] are analy...
Read moreThe relationship between leaf conductance and environmental variables was examined during two summers in 22-year-old Shamouti orange trees. Soil water...
Read moreSoil characteristics and vegetation were studied in vehicle tracks and adjacent undisturbed tundra along local moisture gradients at four sites in nor...
Read moreThe effects of 2 levels of infestation by Phytoptus chondrillae G. Can. (Aceria chondrillae) on inflorescence growth and reproductive capacity of Chon...
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