1. Sorbed phosphate at standard supernatant concentration as an example of the phosphate needs of soils;Beckwith;Aust. J. Exp. Agric. Anim. Husb.,1964
2. Modern Potting Composts;Bunt,1976
3. Methods of Analysis for Soils, Plants, and Waters;Chapman,1961
4. Phosphate sorption isotherms for evaluating the phosphate requirements of soils;Fox,1970
5. Adsorption and leaching of P in organic soils and high organic matter sand;Fox,1971