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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 moreComparisons were made of three micrometeorological models which simulated daily rates of photosynthesis and transpiration in a maize crop. A complete ...
Read moreThe drought resistance of young seedlings of Stylosanthes humilis and Digitaria ciliaris was investigated in the field at Katherine, Northern Territor...
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 ecology of the Chondrilla genus in the eastern Mediterranean region is described and compared with that in the western Mediterranean region. The b...
Read moreFactors which encouraged the establishment of populations of Senecio aquaticus in agricultural grassland in Orkney included (1) the presence of water ...
Read moreThe macrophyte Egeria densa was introduced into plastic-lined pools of dechlorinated tap-water and allowed to grow for 17 days. A mixture of diquat + ...
Read moreInterference between individuals was investigated in monocultures and mixtures of 3 weed species, Bidens chinensis, Eleutheranthera ruderalis and Trid...
Read moreConcentration gradients of phosphate, K, Ca and Mg were measured near a plane of onion seedling roots at a range of soil water contents, in a special ...
Read moreThe growth of Corsican pine (Pinus nigra var. maritima) on a nitrogen-deficient site in the Moray Forest declined progressively while up to 36% of the...
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