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The 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...Read more
Intensive agriculture is dominated by monocultures of high-yielding plants that receive large applications of nitrogen (N) fertilizers to boost plant ...Read more
Moorlands dominated by heather Calluna vulgaris are of international conservation importance, but are declining as a result of increased grazing press...Read more
A sward of perennial ryegrass cv. S23 grown during 1979-81 was treated on 20 April with 130 kg N/ha as ammonium nitrate doubly labelled with 15N, foll...Read more
Samples of Auchenorrhyncha were collected from fertilized plots in southern England between April 1978 and November 1979. Twenty-nine species were rec...Read more
Intensive agriculture often reduces biodiversity on farmed land, but the converse situation, of wildlife damaging agriculture, is also important. A st...Read more
In studies in a 60- to 90-year-old stand on dry sandy soil in western Finland, Scots pine (Pinus sylvestris) trees that had been defoliated by the pin...Read more
A perennial Festuca pratensis ley was grown during 3 years in a field experiment at Kjettslinge, Sweden. N uptake, defined as the flow of N into the c...Read more
In a field trial in the Drentsche A Nature Reserve in the Netherlands, a grassland reclaimed from a heathland in 1950 and taken out of agricultural pr...Read more
In order to investigate the factors influencing the establishment of seedlings in permanent grassland, the influence of soil moisture and nitrogen fer...Read more