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The effects of temp. on seed dormancy and germination were studied in 11 populations of tetraploid F. pratensis var. apennina from the Italian Alps an...
Read moreA simple model was constructed which predicted the rates of leaf photosynthesis (Fc) of the temperate C4 species S. townsendii, in the field, from the...
Read moreWhen perennial ryegrass plants were subjected to 1 cycle of soil drying, to repeated cycles of drying, or when they were grown in dry soils, the RGR o...
Read moreExperiments were done in England in fields of winter wheat at North Farm, West Sussex, and at Rothamsted in 1978 to investigate the effect of predatio...
Read moreSeed yields of cowpea (Vigna unguiculata) were assessed in each of two annual growing seasons over the 4-year period 1973 to 1976 in experimental plot...
Read moreWing lengths of nearly 6000 Spodoptera exempta (Wlk.) adults were measured in samples caught at light-traps at various sites in East Africa between De...
Read moreAdult Heteroptera were sampled regularly in 1973-75 in experimental plots of Arrhenatherum-dominated calcareous grassland in Cambridgeshire, UK. The e...
Read moreCriteria for selecting sites are described and the various sampling, rearing and identification techniques used to investigate field populations of Si...
Read moreThe value of the density dependent term c in the equation M=aLc relating the number of maturing females (M) of Boophilus microplus (Can.) to the numbe...
Read moreThe performance of three control methods for Boophilus microplus (Can.) in Australia, acaricides, pasture spelling and tick resistant cattle, was asse...
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