The influence of pig slurry fertilisation on the mineral content of horticultural crops grown in calcareous soils

azote calcareous soils capsicum annuum cerdo farmyard manure fosforo fumier lactuca sativa laitue lettuces lycopersicon esculentum nitrogen nutrition des plantes phosphore phosphorus plant nutrition porcin potasio potassium soil types sol calcaire swine tipos de suelos tomate tomatoes type de sol