Evaluation of several methods for determining the potassium content in diverse plant materials

References

• Alder , P.R. and Wilcox , G.E. 1985 . Rapid perchloric acid digest methods for analysis of major elements in plant tissue . Commun. Soil Sci. Plant Anal. , 16 : 1153 – 1163 .
   Web of Science ®Google Scholar
• Gomez , K.A. and Gomez , A.A. 1984 . Statistical Procedures for Agricultural Research. , 2nd ed. , New York , NY : John Wiley and Sons .
   Google Scholar
• Huang , C.Y.L. and Schulte , E.E. 1985 . Digestion of plant tissue for analysis by ICP emission spectroscopy . Commun. Soil Sci. Plant Anal. , 16 : 943 – 958 .
   Web of Science ®Google Scholar
• Novozamsky , I. , Houba , V.J.G. , Van Eck , R. and Van Vark , W. 1983 . A novel digestion technique for multi‐element plant analysis . Commun. Soil Sci. Plant Anal. , 14 : 239 – 248 .
   Web of Science ®Google Scholar
• Sahrawat , K.L. 1980 . A rapid non‐digestion method for determination of potassium in plant tissue . Commun. Soil Sci. Plant Anal. , 11 : 753 – 757 .
   Web of Science ®Google Scholar
• Sahrawat , K.L. 1984 . Potassium determination in grain samples using the non‐digestion (dilute HCl extraction) method . Commun. Soil Sci. Plant Anal. , 15 : 81 – 86 .
   Web of Science ®Google Scholar
• Yoshida , S. , Farmo , D.A. , Cock , J.H. and Gomez , K.A. 1976 . Laboratory Manual for Physiological Studies of Rice , Manila , , Philippines : IRRI .
   Google Scholar