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Alnus nepalensis, a species with symbiotic Frankia in its root nodules, is common in the Eastern Himalayas. Five different ages of plantations from th...
Read moreBare soil evolved a maximum of 7 g CO2/m2/day in summer and a minimum of 1 g/m2/day in winter; the Q10 was 3. Root respiration, i.e. the difference in...
Read moreThe size, composition and seasonal and depth-related variations in the soil seed bank of a former chalk grassland ley were determined at monthly inter...
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 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 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 moreSampling of earthworm populations during 5- and 15-yr-old cropping phases and in 5-, 10- and 15-yr-old fallow phases of shifting agriculture at Shillo...
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 moreThe performance of Phragmites australis growing on plots in an experimental field in the Netherlands is described in terms of leaf area and biomass of...
Read moreA mathematical model for simulating the population dynamics of Avena sterilis subsp. ludoviciana was constructed using previously reported data. The m...
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