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Observations were made in southern England in 1970-71 on aphid populations infesting the aerial shoots of spring cereals. Aphids mainly Acyrthosiphon ...
Read moreThe viable weed seed content of the surface soil at 78 sites in the upper Belize Valley, British Honduras, averaged 6488 seeds/m2 and included 54 spec...
Read moreThe life cycle of A. sylvestris (which dominates disturbed grasslands on road verges and river dikes) was analysed to examine possible causes of its d...
Read morePopulation models of host-parasite interactions are extended to include insecticide application acting in a variety of ways on pest hosts and/or their...
Read moreIn order to investigate the effect of insect recolonization on the insecticide-induced resurgence of crop pests, a modified Lotka-Volterra predator-pr...
Read moreEstablishing biological control agents in the field is a major step in any classical biocontrol programme, yet there are few general guidelines to hel...
Read moreThe survival dynamics of VAM fungi were determined by bioassay for soils stored for 0.5-6 yr in topsoil stockpiles associated with a coal surface mine...
Read moreLife tables are presented for 4 consecutive generations of Psila rosae on carrots in southern England, and are analysed using key factor analysis. Of ...
Read moreMarine protected areas (MPAs) have become a popular tool utilised across global oceans to achieve a variety of conservation goals. Because the reasons...
Read moreTrifolium balansae and T. resupinatum are new to self-regenerating pastures. A model, based on data obtained from field measurements, was used to pred...
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