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Seasonal changes in the photosynthesis of tea were measured with a 14C technique during two years in Malawi. Photosynthesis did not decrease at the be...
Read moreInteractions during mating are thought to be an important mechanism for transmission of tuberculosis (Tb)
Effects of disease and environment on competitive interactions among wheat genotypes were investigated. Wheat genotypes (5) were grown in up to 6 diff...
Read moreLoss of short-wave radiation by reflection from an irrigated maize crop grown for forage averaged 0.18 of the incident total short-wave radiation rece...
Read moreThe effects of population density and row spacing on the growth and solar radiation interception of sorghum were measured from 1980-81 to 1983-84 in i...
Read moreThe contents of pollen traps on two hives in Midlothian, Scotland, were analysed for 3 seasons, and in the 4th season the study was extended to 4 hive...
Read moreThe time course of changes in the quantity of Calluna leaves and wood were measured during 1971 and an analysis of the data used to derive the seasona...
Read moreMean adult bee populations were 18 000 in late May, 37 000 in early June and 13 000 in late September, while mean brood populations were 15 000 in lat...
Read moreThe widespread drainage of wetlands and grazing marshes has been one of the main drivers of severe reductions in the number and range of breeding wade...
Read moreTo estimate the efficiency of foraging strategy, the rates of food intake of adult giraffe in the Serengeti National Park are assessed. Daily energy i...
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