1. The uptake of initially available soil potassium by ryegrass;ADDISCOTT;J. agric. Sci., Camb,1970
2. Potassium in soils under different cropping systems 3;ADDISCOTT;Non-exchangeable potassium in soils from long-term experiments at Rothamsted and Woburn. Ibid,1975
3. The transport of potassium to ryegrass roots in soils with and without added potassium;ADDISCOTT;Ibid,1971
4. The behaviour of potassium in soils;ARNOLD;Proc. Fertil. Soc,1970
5. A quantitative analysis of the factors affecting plant nutrient uptake from soils;BALDWIN;J. Soil Sci,1975