1. A Manometer Method for the Rapid Determination of Lime in Soils
2. COMPARISON OF METHODS FOR THE ESTIMATION OF SOIL ACIDITY.
3. pH optima for crop growth
4. FPC Blamey, DG Edwards, CJ Asher, MK Kim. Response of sunflower to low pH. In: Plant Nutrition 1982, Proceedings of 9th International Plant Nutrition Colloquium. Slough, UK: Commonwealth Agricultural Bureaux, 1982, pp66-71.