%0 Journal Article %T A Comparison of Different Analytical Methods for the Determination of Potassium and Phosphorus in Soil Based on Field Experiments %A Semb, Gunnar %A Uhlen, Gotfred %A , %J Acta Agriculturae Scandinavica %V 5 %N 1 %P 44-68 %@ 0001-5121 %D 1955-01-01 %I Informa UK Limited %~ DeepDyve