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A field experiment on lucerne in British Columbia in which populations of Acyrthosiphon pisum (Harris) were harvested at various rates is described an...
Read moreThe consumption of legume seed by grazing sheep was assessed in a Mediterranean grassland in NW Syria, during the summers of 1986 and 1987. Large padd...
Read moreIt should be possible to design agroecosystems to reduce the severity of insect pest problems. Ecological theory about stability should be relevant wh...
Read moreThe aim of this study was to identify the particular soil properties which caused distinct populations of VA mycorrhizal fungi to occur at 2 adjacent ...
Read moreOn the Dry plot, rain was prevented from entering the soil; on the Irrigated plot, the soil was kept near field capacity by irrigation; the Normal plo...
Read moreIn 2 glasshouse experiments, one in summer, the other in winter, Helxine soleirolii growing in John Innes No. 1 potting compost was either irrigated s...
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 moreSpiders were sampled, by suction (D-vac) and direct counts of their webs, in a controlled sheep-grazing experiment on calcareous ex-arable land and in...
Read moreThis paper describes the agroforestry practices in the UK and its impacts in the temperate zone. A priority is given to impacts that have relevance to...
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...
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