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The growth of S. molesta (see WA 23, 2847) was analysed under a range of artificial and natural environmental conditions. Growth was exponential. The ...
Read moreSwards of B. decumbens cv. Basilisk were cut at 0 and 10 cm height and the cut material removed or cut, field-dried and burnt 0, 4 or 8 days after cut...
Read moreA seed drill with 2 adjacent spouts blocked was used to sow winter wheat so that there were rows (a) 18 cm apart, (b) 18 cm from the next row on one s...
Read moreThe report aims to quantify, wherever possible, the impact of the prolonged period of dry weather in 2018 on selected pearl mussel (Margaritifera marg...
Read moreIn the laboratory, seeds of Hordeum geniculatum, H. glaucum, H. leporinum, H. marinum and H. murinum showed some innate dormancy which was most eviden...
Read moreObservations on two burning regimes during a 3-year period in Machakos district (5200 ft. alt., rainfall 25 in./year) showed that these thickets can b...
Read moreHypericum perforatum, St John's wort, is an invasive weed of natural and agro-ecosystems in south-eastern Australia. In previous work we used a long-t...
Read moreData on changes in numbers of 31 species of butterfly in the UK in 1976-86 were used to investigate associations between relative abundance and weathe...
Read moreIn field experiments in N. Finland, 80 study plots (5×5 m) in mixed pine (Pinus sylvestris)/mountain birch (Betula tortuosa) woodland were irrigated w...
Read morePopulations of A. odoratum were collected from contrasting plots of the Park Grass Experiment, Rothamsted, grown under identical conditions for 6-18 m...
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