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Mixtures of equal numbers of plants of different barley varieties or of a barley variety and an oat variety were grown in 5 field trials and 1 glassho...
Read moreThe summer growth, winter dieback and grazing of shoots and flowers of heather was measured at 2 moors in N.E. Scotland. The main factor determining a...
Read moreSeeds of 16 arable weed spp. collected in 1977 were sown outdoors in boxes or pots at various depths. Most grass spp. emerged in the autumn, while man...
Read moreA series of trials was established to assess the effects of temporary roadways on heathland vegetation. These temporary roadways were set up on both d...
Read moreThe tritium method was used to measure the transpiration of 20 trees in a rain forest in the Amazon Territory of Venezuela. Transpiration rates ranged...
Read moreThe Chobe District Integrated Land Use Plan is a framework plan: it sets the boundary conditions for more detailed plans, such as the tourism manageme...
Read moreA mechanistic, physiological model has been developed to describe the yearly growth cycle of bracken, and it has been adapted to run using nationally ...
Read moreIt is generally thought that the intensification of farming will result in higher disease prevalences, although there is little specific modelling tes...
Read moreMathematical models for birth and death processes in local populations (within a local patch), and for migration between local patches in a heterogene...
Read moreThe cereal aphid outbreaks of 1979 (Metopolophium dirhodum) and 1980 (Sitobion avenae) and their lower populations in 1981, in Norfolk, eastern Englan...
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