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Soyabeans cv. Davis were grown in the field in open-top chambers ventilated with charcoal-filtered air, non-filtered air or non-filtered air to which ...
Read moreDuring 1971 micro-meteorological measurements were made in March, May, July, August and October in a 7-year-old hedgerow-type apple orchard. The albed...
Read moreThe buried viable seed content was determined for some leys and permanent pastures. Seeds of Poa annua were abundant under the leys but absent under t...
Read moreGermination and establishment in annual self-sown swards of (a) Stylosanthes humilis and (b) the associated grass weed Digitaria ciliaris were studied...
Read more3-fold differences in annual recruitment and 8-fold differences in annual mortality were recorded for H. floribundum between 1975 and 1983. Annual var...
Read moreThe effects of different grades of limestone, up to 2.4 mm diam., and incorporation depths of 15 and 25 cm, on growth of Lolium perenne cv. S23 was in...
Read moreA method for determining tissue turnover in grassland, based on non-destructive measurements of individually marked population units, is presented. Th...
Read moreThe cereal aphid outbreaks of 1979 (Metopolophium dirhodum) and 1980 (Sitobion avenae) and their lower populations in 1981, in Norfolk, eastern Englan...
Read moreEstimates of damage to maize by individual red-winged blackbirds (Agelaius phoeniceus) were derived from energetics and life history information and i...
Read moreMeasurements were made of growth and death in spring and autumn in a perennial ryegrass/white clover sward, and by integration of growth and death dat...
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