References
- Adler , 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 .
- APHA . 1989 . Standard Methods for the Examination of Water and Wastewater, , 17th edition , Washington, DC : American Public Health Association .
- Busman , L.M. , Dick , R.P. and Tabatabai , M.A. 1983 . Determination of total sulfur and chlorine in plant materials by ion chromatography . Soil Sci. Soc. Amer. J. , 47 : 1167 – 1170 .
- Hafez , A.A. , Goyal , S.S. and Rains , D.W. 1991 . Quantitative determination of total sulfur in plant tissues using acid digestion and ion‐chromatography . Agron. J. , 83 : 148 – 153 .
- Jones , J.B. and Case , V.W. 1990 . “ Sampling, handling, and analyzing plant tissue samples ” . In Soil Testing and Plant Analysis, , 3rd edition , SSSA Book Series No. 3 Edited by: Westerman , R.L. 389 – 427 . Madison , WI : Soil Science Society of America, Inc. .
- Shpigun , O.A. and Zolotov , Y.A. 1988 . Ion Chromatography in Water Analysis , New York , NY : John Wiley and Sons .
- Watson , M.E. and Isaac , R.A. 1990 . “ Analytical instruments for soil and plant analysis ” . In Soil Testing and Plant Analysis, , 3rd edition , SSSA Book Series No. 3 Edited by: Westerman , R.L. 691 – 740 . Madison , WI : Soil Science Society of America, Inc. .