[Horndrup Brook 1989-92: Agriculture, nutrient leaching, materials, transport, watercourse biology]

azote biomasa biomass biomasse cours d'eau cursos de agua danemark denmark dinamarca eau souterraine fauna faune fosforo groundwater leaching lessivage du sol nitrogen nutrientes nutrients organic matter phosphore phosphorus pollution de l'eau rhizosphere rivers rizosfera substance nutritive trout trucha truite water pollution