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The effects of 2 insecticides (chlorpyrifos and dimethoate at 6.4 × 10-4 and 1.9 × 10-4 g/Petri dish, resp.) and a fungicide (iprodione at 6.4 × 10-3 ...Read more
The application of dimethoate to winter wheat in southern England to control cereal aphids (mainly Sitobion avenae (F.)) caused changes in the numbers...Read more
The influence of plot size in assessing the impact of pesticide treatment on invertebrate populations in cereal fields was investigated in winter whea...Read more
The dry-weight increment of A. pseudoplatanus seedlings, initially 60-90 cm. high, was measured by growth analysis. Seedlings were planted out 90 cm. ...Read more
Two simulation models are presented which predict the impact of local and episodic applications of pesticide on the dynamics of invertebrate metapopul...Read more
Two plots, each of 240 broom (Sarothamnus scoparius) seedlings were planted in England in March 1966. For 11 years, one plot was sprayed 1-3 times a y...Read more