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The following is based largely on the author's summary. Observations were made in 1964-68 on the biology and ecology of rice stem borers in Sarawak (E...
Read moreCattle egrets (Ardeola ibis) feeding in dairy pastures in the south-western Cape, South Africa, ate mainly grasshoppers, caterpillars and earthworms, ...
Read moreThe following is based largely on the authors' summary. The population dynamics of two species of Psychodain a small experimental percolating filter s...
Read moreThe following is substantially the author's summary. During the years 1963-70, further progress was made in eradicating tsetse flies (Glossina tachino...
Read more2 populations of white clover from acid soil and 2 from calcareous soil were grown in partitioned containers of soil, pH 4.6 and 8.2, to give all comb...
Read moreHuman trampling drastically reduced the amounts of Poterium sanguisorba, Leontodon hispidus, Trifolium repens and Rhytidiadelphus sguarrosus in chalk ...
Read moreAn equation is given which gives valid estimates of wind profiles in crops of maize and Vicia faba where foliage distribution is reasonably uniform. R...
Read moreThe equations derived in HbA 39, 371 and 40, 458 for describing light attenuation by horizontal foliage are shown to be in exact agreement....
Read more3 populations of cocksfoot from Norway and 1 from Portugal were grown at 5, 15 or 25°C with 8 or 24 h light/day. In short days at low temperature, the...
Read moreIn studies in the Hodge Beck catchment area, where Calluna vulgaris recolonizing burnt ground formed an incomplete cover there was a negative correlat...
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