Amelioration of Subsurface Acidity in Sandy Soils in Low Rainfall Regions. I. Responses of Wheat and Lupins to Surface-applied Gypsum and Lime, C. D. A. McLay, G. S.P. Ritchie, W. M. Porter
Food Science and Nutrition

Amelioration of Subsurface Acidity in Sandy Soils in Low Rainfall Regions. II. Changes to Soil Solution Composition Following the Surface Application of Gypsum and Lime, C. D. A. McLay, G. S.P. Ritchie, W. M. Porter, A. Cruse
Food Science and Nutrition

A Soil Test for Aluminium Toxicity in Acidic Subsoils of Yellow Earths in Western Australia, S. J. Carr, G. S.P. Ritchie, W. M. Porter
Food Science and Nutrition