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The summer populations of the aphid Metopolophium dirhodum were monitored in a field of winter wheat in Bedfordshire, England, in 1978-80. The populat...
Read moreIceland has vast areas of mobile sand resulting from volcanic glacier bursts and erosion. Seeds of the coastal, dune-building grass Leymus arenarius a...
Read moreCultivars and populations of Lolium, Dactylis and Festuca species were grown under contrasting soil moisture regimes in the glasshouse. Dry matter pro...
Read moreThe utilization of the tussock-forming grass Nardus stricta was investigated in controlled grazing experiments in which various sward heights of betwe...
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