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After a mature apple orchard had been removed by grubbing the trees various experimental treatments (different systems of manuring and ploughing at tw...
Read moreConcentrations of DDT and its metabolites were compared over space, time, feeding strategy and diet in the striped kingfisher (Halcyon chelicuti), red...
Read moreTwo different vegetation communities, Acacia mellifera bushland and associated grassland in a drier, more northerly zone, and A. seyall Balanites aegy...
Read moreInfluence of moisture stress on tree growth, foliage development and incidence of insect herbivory in a native forest of river red gum (Eucalyptus cam...
Read moreCacao has been grown on a large scale round Popondetta in the Northern District of Papua New Guinea since 1958. Pest problems were present in the area...
Read moreThe following is virtually the author's summary of this account of observations in Scotland [cf. RAE A 54 678; 59 1153, 2160]. A sycamore tree kept un...
Read moreCocoa (Theobroma cacao L.) is produced in monocultures (MONO) or agroforests (AF). Farmers have to decide between two strategies: short-term (rapid in...
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