Determination of the extent of rhizosphere soil

References

• Barber , S.A. 1984 . Soil Nutrient Availability: A Mechanistic Approach , New York , NY : John Wiley & Sons .
   Google Scholar
• Bohm , W. 1979 . Methods of Studying Root Systems , Berlin , , Germany : Springer‐Verlag .
   Google Scholar
• Bowen , G.D. 1993 . “ The rhizosphere ” . In Tropical Soil Biology and Fertility: A Handlook of Methods , Edited by: Anderson , J.M. and Ingram , J.S.I. 109 – 120 . London , , England : C.A.B International .
   Google Scholar
• Curl , E.A. and Truelove , B. 1986 . The Rhizosphere , Berlin , , Germany : Springer‐Verlag .
   Google Scholar
• Darrah , P.R. 1993 . The rhizosphere and plant nutrition: A quantity approach . Plant Soil , 155/156 : 1 – 20 .
   Web of Science ®Google Scholar
• Haussling , 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) . J. Plant Physiol. , 117 : 371 – 375 .
   PubMed Web of Science ®Google Scholar
• Helal , H.M. and Sauerbeck , D. 1984 . Influence of plant roots on carbon and phosphorus metabolism in soil . Plant Soil , 76 : 175 – 182 .
   Web of Science ®Google Scholar
• Kuchenbuch , R. and Jungk , A. 1982 . A method for determining concentration profiles at the soil‐root interface by thin slicing of rhizospheric soil . Plant Soil , 68 : 391 – 394 .
   Web of Science ®Google Scholar
• Marschner , H. 1995 . Mineral Nutrition of Higher Plants, , 2nd ed. , London , , England : Academic Press .
   Google Scholar
• Marschner , H. and Römheld , V. 1983 . In vivo measurement of root‐induced pH changes at the soil‐root interface: Effect of plant species and nitrogen source . Zeitschrift für Pflanzenphysiologie , 111 : 241 – 251 .
   Web of Science ®Google Scholar
• Marschner , H. , Römheld , V. , Horst , S. and Martin , P. 1986 . Root‐induced changes in the rhizosphere, importance for the mineral nutrition of plants . Z. Pflanzenernahr‐Bodenk , 149 : 441 – 156 .
   Web of Science ®Google Scholar
• Martens , R. 1982 . Apparatus to study the quantitative relationships between root exudate and microbial population in the rhizosphere . Soil Biol. Biochem. , 14 : 315 – 317 .
   Web of Science ®Google Scholar
• Newman , E.I. and Watson , A. 1977 . Microbial abundance in the rhizosphere: A computer model . Plant Soil , 4 : 17 – 56 .
   Web of Science ®Google Scholar
• Nye , P.H. and Tinker , P.B. 1977 . Solute Movement in the Soil‐Root System , Oxford , , England : Blackwell Scientific Publications .
   Google Scholar
• Riley , D. and Barber , S.A. 1969 . Bicarbonate accumulation and pH changes at the soybean [Glycine max (L.)] root‐soil interface . Soil Sci. Soc. Am. Proc. , 33 : 905 – 908 .
   Web of Science ®Google Scholar
• Riley , D. and Barber , S.A. 1971 . Effect of NH4 +‐N ad NO3 ‐‐N fertilization on phosphorus uptake as related to root induced pH changes at the root‐soil interface . Soil Sci. Soc. Am. Proc. , 35 : 301 – 306 .
   Web of Science ®Google Scholar
• Rollwagen , B.A. and Zasoski , R.J. 1988 . Nitrogen source effects on rhizosphere pH and nutrient accumulation by Pacific Northwest conifers . Plant Soil , 105 : 79 – 86 .
   Web of Science ®Google Scholar
• Römheld , V. 1990 . The soil‐root interface in relation to mineral nutrition . Symbiosis , 9 : 19 – 27 .
   Web of Science ®Google Scholar
• Shengwu , Q. and Zhiyu , L. 1989 . The nutrient status of soil‐root interface. VI. Distribution of different fertilizer N in rhizosphere soil . Acta Pedological Sinica , 26 (2) : 117 – 123 .
   Google Scholar
• Smiley , R.W. 1974 . Rhizosphere pH as influenced by plants, soil, and nitrogen fertilizers . Soil Sci. Soc. Am. Proc. , 38 : 795 – 799 .
   Web of Science ®Google Scholar
• Tennant , D. 1975 . A test of modified line intersect method of estimating root length . J. Ecol. , 63 : 995 – 1001 .
   Web of Science ®Google Scholar