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The EU 'Nitrates Directive' (Directive 91/676/EEC) and the WFD (Water Framework Directive 2000/60/EEC) introduced a series of measures designed to red...
Read moreLike many ecosystem functions in marine and terrestrial environments, nutrient processing varies dramatically over small spatial scales, making effort...
Read moreNitrogen (N) loss from agricultural fields and urban areas to stream and groundwaters is a world-wide environmental problem. Excessive nitrogen loadin...
Read moreA comparative study was carried out on nitrogen flows in two meadow ecosystems that were similar at the beginning of the experiment. In the wet meadow...
Read moreNitrate, ammonium, and phosphate were added to the forest floor of an alluvial swamp at a weekly rate of 1 g of nitrogen or phosphorus per m2 for near...
Read moreSpatial and temporal patterns of in situ denitrification were investigated along a riparian forset (Ulmus minor, Fraxinys angustifolia, Cardamine prat...
Read moreA 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 moreNutrient balance was studied in two small Taxodium distichum swamps in Florida, one of which had been treated with secondary sewage effluent from 1975...
Read moreSalt-marsh microcosms containing the halophyte Spartina alterniflora were maintained in a greenhouse for 2 years and given daily dosages of a hydrocar...
Read moreThe provision of food requirements for current and future generations can be guaranteed through agricultural intensification options that safeguard th...
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