The usability of some methods for estimation of nitrogen mineralisation in arable soils from south and middle Sweden

analisis analyse analysis arable soils composition cultural soil types disponibilidad de nutrientes environment environnement escandinavia essai europa europe experimentos experiments fertilidad del suelo fisiologia fonction physiologique medio ambiente metabolism metabolisme metabolismo methode methods nitrogen content nitrogen metabolism nutrient availability physiological functions physiologie physiology pruebas recherche research scandinavia scandinavie site factors soil fertility soil types sol arable teneur en azote tierras cultivables trials type de sol type de sol de culture