References
- Grinsted , M. J. , Hedley , M. J. , White , R. E. and Nye , P. H. 1982 . Plant induced changes in the rhizosphere of rape seedlings. I: pH‐changes and increase in P‐concentration in the soil solution . New Phytol. , 91 : 19 – 29 .
- Häussling , M. , Leisen , E. , Marschner , H. and Römheld , V. 1985 . An improved method for non‐destructive measurements of the pH at the root‐soil interface (Rhizosphere) . O. Plant Physiol. , 117 : 371 – 375 .
- Kortüm , G. 1966 . Lehrbuch der Elektrochemie , Weinheim : Verlag Chemie, GmbH .
- Linnet , N. 1970 . pH measurements in theory and practice , Copenhagen : Radiometer AIS .
- Marschner , H. and Römheld , V. 1983 . In vivo measurement of root‐induced pH changes at the soil‐root interface: Effect of plant species and N‐source . Zeitschrift Pflanzenphysiol. , 111 : 241 – 251 .
- Müller , S. C. , Stolzy , L. H. and Fick , G. W. 1985 . Constructing and screening platinum microelectrodes for measuring soil Redox potential . Soil Science , 139 (6) : 558 – 560 .
- Nye , P. H. 1981 . Changes in the pH across the rhizosphere induced by roots . Plant and Soil , 61 : 7 – 26 .
- Riley , D. and Barber , S. A. 1971 . Effect of ammonium and nitrate fertilization on P‐uptake as related to root induced pH changes at the roöt‐soil interface . Soil Sci. Soc. Amer. Proc. , 35 : 301 – 306 . 1971
- Schall er , G. and Fischer , W. R. 1981 . Die Verwendung von Antimon‐Elektroden Zur pH‐Messung in Böden . Zeitschrift. Pflansenernähr. Bdk. , 144 : 197 – 204 .
- Schaller , G. and Fischer , W. R. 1985 . pH‐Änderungen in der Rhizosphäre von Maize und Erdnusswurzeln . Zeitschrift. Pflanzenernähr. Bdk. , 148 : 306 – 320 .