Pires, JaimeRodrigues, M.A.Arrobas, MargaridaPires, JoãoMoreira, Nuno2011-07-052011-07-052008Pires, Jaime; Rodrigues, Manuel; Arrobas, Margarida; Pires, João; Moreira, Nuno (2008). Fertilisation strategies for sown organic pasture in the mediterranean mountains of North-east Portugal. In XXI Internacional Congreso e VII Internacional Rangeland Congress. Hohot. ISBN 978-7-218-05854-2http://hdl.handle.net/10198/5774The leptosols are dominant soils in the North-east of Portugal, and are occupied mainly with forest ,shrubs ,cereals and fallow .engconference object