[Research report 1999. The Collaboration project IJVF [Institutt for Jord- og Vannfag] - Norsk Hydro ASA. Effect of fertilizing on crop yield and mineral content]

absorption de substances nutritives azote azufre brassica campestris cereal crops cinc contenido mineral crop yield cultivos de cereales fertilidad del suelo inorganic fertilizers lolium manganese manganeso mineral content nitrogen noruega norway nutrient uptake nutrition des plantes oligoelementos papa plant nutrition pomme de terre pot experimentation potatoes rendement des cultures rendimiento de cultivos selenio selenium soil fertility soufre sulphur trace elements zinc