1. General introduction -- 2. Methods of analysis -- 3. Experimental methods -- 4. Type II diminishing response theory -- 5. Application of Type II theory to pastures -- 6. Application of Type II theory to crops -- 7. Type I increasing response theory -- 8. Application of Type I theory to pastures and crops -- 9. Types III and IV suppression theory -- 10. Concluding remarks
Summary
It is the purpose of this work to consider results from field experiments with fertiliser and present theoretical aspects of ion uptake by plants in terms of which response can be described
