Edafología. Volumen 7-3. Septiembre 2000. pág 43-46.
We studied differences in phosphate adsorption by soils to which different quantities of calcium carbonate and gypsum were added in diffent order. An acid soil from the Raña surface of Cañamero (Province of Cáceres) was used. Phosphate adsoption as evaluated by the adsorption index of Bache and Williams, was influenced the order of application and the quantity of amendment applied.
Key Words: Carbonate, gypsum, phosphate, adsorption.