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Original Articles

Potential soil potassium supply capacity as related to wheat potassium demand

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Pages 635-641 | Published online: 11 Nov 2008

References

  • Chapman , H.D. and Kelly , W.P. 1930 . The determination of replaceable bases and base exchange capacity of soils . Soil Sci. , 30 : 391 – 406 .
  • Qian , P. , Schoenau , J.J. and Huang , W.Z. 1992 . Use of ion exchange membranes in routine soil testing . Commun. Soil Sci. Plant Anal. , 23 : 1791 – 1804 .
  • Qian , P. , Schoenau , J.J. , Greer , K.J. and Liu , Z. 1996 . Assessing plant‐available potassium in soil using cation exchange membrane burial . Canadian J. Soil Sci. , 76 : 191 – 194 .
  • Thomas , R.L. , Sheard , R.W. and Moyer , J.P. 1967 . Comparison of conventional and automated procedures for nitrogen, phosphorus and potassium analysis of plant material using a single digest . Agron. J. , 99 : 240 – 243 .

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