1. Mechanism for the movement of plant nutrients from the soil and fertilizer to the plant root;Barber;Agr. Food Chem.,1963
2. Quelques aspects récents des études relatives à l'alimentation minérale des plantes dans le sol;Blanchet;Sci. Sol.,1965
3. The determination of potassium potentials;Beckett,1964
4. Potassium-calcium exchange equilibrium in soils: The location of nonspecific (Gapon) and specific exchanges sites;Beckett;J. Soil Sci.,1967
5. A study of the equilibria between three categories of potassium in an illitic soil;Bolt,1963