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Density-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...
Read moreThe effects of hedges and a lath barrier on the distribution of adults of Hylemya (Erioischia) brassicae (Bch.) in the field [cf. RAE/A60, 3692] was o...
Read moreMultivariate analyses of the weight and plant nutrient status of aerial litter fall from four species of Coniferae were conducted using canonical vari...
Read moreClimax perennial grasses from Rhodesia showed greater preference than earlier seral species or crop cultivars for the ammonium source of nitrogen. It ...
Read moreQuantitative estimates of the effects of different methods of S application on the entry of 35S into the grazed pasture system were made on an analogu...
Read moreStylosanthes humilis was grown for 5 years on cleared Tippera clay loam and its behaviour in competition with the annual grasses Digitaria ciliaris, B...
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