A comparative analysis of negative soil- and water-related environmental effects linked to agricultural production

abonos agricultural products alimentos azote comercio exterior conduite des herbages cropping systems cultivation cultivo engrais environmental degradation environmental impact assessment erosion fertilizers foods foreign trade fosforo gestion des ressources grassland management land resources manejo de praderas monde mundo nitrogen pesticide pesticides phosphore phosphorus plaguicidas pratique culturale produit agricole produit alimentaire recursos de la tierra resource management ressource en eau sistemas de cultivo trade liberalization water resources world