Literaturrecherche

Literatur Weißbach F, Ernst P (1994) Nutrient budgets and farm management to reduce nutrient emissions. In: Mannetje L, Frame J (eds) Grassland and society : proceedings of the 15th general meeting of the European Grassland Federation, June 6 - 9, 1994. Wageningen: Wageningen Pers, pp 343-360