1. Barber S. A.(1982):Soil‐plant relationships determining phosphorus uptake. Proc. of the 9th Internat. Plant Nutrition Colloqu. 39–44
2. Saline and Sodic Soils
3. Caradus J. R.(1982):Genetic differences in the length of root hairs in white clover and their effect on phosphorus uptake. Proc. of the 9th Internat. Plant Nutrition Colloqu. 84–88
4. Bedeutung von Kaliumaufnahmerate, Wurzelwachstum und Wurzelhaaren für das Kaliumaneignungsvermögen verschiedener Pflanzenarten
5. Relationship between root uptake‐weighted mean soil water salinity and total leaf water potentials of alfalfa;Dirksen C.;Irrig. Sci.,1985