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Nutrient losses from agricultural areas in the Gulf of Riga drainage basin
Copyright policy )Nutrient losses from agricultural areas in the Gulf of Riga drainage basin
Abstract Leaching and runoff losses of nitrogen and phosphorus were measured in four catchments in Estonia and Latvia during the period 1994–1997. The losses varied considerably depending on land use and farming practices. In two catchments characterised by cereal production and moderate inputs of plant nutrients, the losses were found to be at a low level, compared to measurements in similar catchments in Norway and Sweden. Very large leaching and runoff losses were recorded in two catchments characterised by heavy applications of pig slurry. In one of these catchments, high losses were recorded even though farming activities ceased in 1991–1992. The effects of slurry applications seem more marked for P than for N. The study shows that the former large state and collective farms that specialised in animal production may still be potential risks for the environmental quality of Estonian and Latvian waters.
Microsoft Academic Graph classification: Hydrology geography geography.geographical_feature_category Land use business.industry Drainage basin Environmental engineering Soil contamination Nutrient Agriculture Environmental science Leaching (agriculture) business Surface runoff Water pollution
Environmental Engineering, Management, Monitoring, Policy and Law, Nature and Landscape Conservation
Environmental Engineering, Management, Monitoring, Policy and Law, Nature and Landscape Conservation
Microsoft Academic Graph classification: Hydrology geography geography.geographical_feature_category Land use business.industry Drainage basin Environmental engineering Soil contamination Nutrient Agriculture Environmental science Leaching (agriculture) business Surface runoff Water pollution
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).34 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Average influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Top 10% impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Average citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).34 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Average influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Top 10% impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Average
Citations provided by BIP!Popularity provided by BIP!Abstract Leaching and runoff losses of nitrogen and phosphorus were measured in four catchments in Estonia and Latvia during the period 1994–1997. The losses varied considerably depending on land use and farming practices. In two catchments characterised by cereal production and moderate inputs of plant nutrients, the losses were found to be at a low level, compared to measurements in similar catchments in Norway and Sweden. Very large leaching and runoff losses were recorded in two catchments characterised by heavy applications of pig slurry. In one of these catchments, high losses were recorded even though farming activities ceased in 1991–1992. The effects of slurry applications seem more marked for P than for N. The study shows that the former large state and collective farms that specialised in animal production may still be potential risks for the environmental quality of Estonian and Latvian waters.