Blar i Brage NMBU på forfatter "Guttormsen, Gunnar"
-
Norwegian Journal of Agricultural Sciences : cadmium and lead levels in Norwegian vegetables
Guttormsen, Gunnar (Journal issue, 1990)The purpose of this study was to present the levels of concentration of cadmium and lead in vegetables grown in Norway. The mean concentrations were found to be within the same levels as those for vegetables from some other ... -
Norwegian Journal of Agricultural Sciences : N-requirements of cabbage crops grown on contrasting soils
Riley, Hugh; Guttormsen, Gunnar (Journal issue, 1994)A nitrogen response simulation mode! developed at Horticulture Research International (England) was used to explain the differences in yields obtained in N fertilizer trials with cabbage grown on soils with high and low ...