Effect of mineral fertilization with a varying N:P:K ratio and of an addition of microelements on the content of amino acids in the green mass of rye.

alluvial soils amino acids ammonium nitrate application rates bore boro boron chlorure de potassium cobre condiciones ambientales condition de milieu contenido proteico copper crop yield cuivre environmental conditions fertilizantes de oligoelementos manganese manganeso micronutrient fertilizers nitrato de amonio nitrogen content poland pologne polonia potassium chloride protein content rendement des cultures rendimiento de cultivos rotational cropping secale cereale sol alluvial suelo aluvial superfosfato superphosphate teneur en azote