Temporal Variation in Potassium Chloride Extractable Aluminum, Sodium, and Soil pH, And the Effects on Interpretation of Subsoil Aluminum Toxicity in Yellow Earths, S. J. Carr, G. S.P. Ritchie
Food Science and Nutrition

Al Toxicity of Wheat Grown in Acidic Subsoils in Relation to Soil Solution Properties and Exchangeable Cations, S. J. Carr, G. S.P. Ritchie
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