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The flowering and seed production of G. pratense on a roadside verge in Huntingdonshire was examined in relation to 5 mowing regimes. Mowing in May or...
Read moreReviews the five main biogeochemical parameters as described in the Russian literature, and assesses their use in the light of experience in biogeoche...
Read moreIn further investigations at Rothamsted [cf. preceding abstract], parasitism, overcrowding (two or more larvae in the same shoot), disease and predati...
Read moreThe survival of four populations of eggs of Hylemya (Leptohylemyia) coarctata (Fall.) at Rothamsted in southern England was studied. Few eggs disappea...
Read moreDensity-dependent mortality was shown to occur among the parasitic stages of Boophilus microplus (Can.) on European and Zebu X European breeds of catt...
Read moreLarge numbers of newly flight-mature alate alienicolae of Myzus persicae (Sulz.) were flown in a flight chamber for 5 or 10 h. Flown aphids marked wit...
Read moreSamples of Heteroptera and Auchenorrhyncha were taken from replicated plots grazed by sheep in spring, summer, autumn and winter and from ungrazed are...
Read moreOne-third of the total of British species of Auchenorrhyncha have been identified in aerial traps at Silwood Park, in southern England. The numbers of...
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