Influence of mineral fertilizers and different soil types on nutrient leaching: results of lysimeter studies in East Germany

abonos alemania allemagne arable soils azote clay soils engrais fertilizers fosforo germany grassland soils leaching lessivage du sol loam soils loess loess soils losses losses from soil lysimeters nitrogen nutrientes nutrients perte phosphore phosphorus potasio potassium sandy soils sol arable sol argileux sol d'herbages sol de loess sol sableux sol sablolimoneux substance nutritive suelo arcilloso suelo arenoso suelo de praderas suelo franco suelos cultivables textural soil types tipos texturales de suelos type de sol textural