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Simulated nitrogen leaching, nitrogen mass field balances and their correlation on four farms in south-western Finland during the period 2000 2005
agricultural production sectors nitrogen balance nitrogen leaching process-based modelling analysis of covariate
2010/8/9
Nitrogen (N) gross balance is one of the indicators designed for following developments in agriculture in the European Union. A nutrient surplus occurs when the quantity of a nutrient applied in ferti...
Effects of repeated phosphorus fertilisation on field crops in Finland 1.Yield responses on clay and loam soils relation to soil test P values
Acid ammonium acetate method optimal soil test P soil acidity soil phosphorus
2010/8/10
In order to update phosphorus (P) fertiliser recommendations for the Finnish clay and loam soils enriched with applied P, the effects of repeated P fertilisation on the yields of cereal and other crop...
A comparison of nitrogen and carbon reserves in acid sulphate and non acid sulphate soils in western Finland
carbon nitrogen nitrification mineralization soil organic matter acid sulphate soils subsoil drainage humus
2010/8/11
Previous studies suggest that nitrogen (N) loads from acid sulphate soil (AS soil) catchments in Finland are higher than those from other agricultural catchments. This study seeks to explain this diff...