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Seed 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...
Read moreTwelve-year old cv. Valencia orange trees were subjected to a single water stress, under field conditions at Tacna, Arizona, inducing leaf water poten...
Read moreAtrazine-resistant or -susceptible biotypes of Senecio vulgaris and Amaranthus retroflexus were compared with regard to DM production, resource alloca...
Read moreTen species of Umbelliferae were examined with regard to the time of year at which seedlings emerged and the survival of seeds in cultivated soil. The...
Read moreOn flat bog with deep peat where heather (Calluna vulgaris), the principal food of the birds, was scarce application of superphosphate, or ground mine...
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