Soil potassium and magnesium : proceedings of a conference organized by the soil chemists of the National Agricultural Advisory Service, October 17th-18th, 1963 - Great Britain. National Agricultural Advisory Service (London : H.M.S.O., 1967)
Includes bibliographies.
Keywords: Soils -- Potassium content -- Congresses; Soils -- Magnesium content -- Congresses; Plants -- Effect of potassium on -- Congresses; Plants -- Effect of magnesium on -- Congresses