References
- Norrish , K. and Hutton , J. T. 1977 . Plant analyses by X‐ray spectrometry . X‐ray Spectrometry , 6 (1) : 6 – 11 .
- Bertin , E.P. 1975 . Principles and Practice of X‐ray Spectrometric Analysis , New York : Plenum Press .
- Tertian , R. and Claisse , F. 1982 . Principles of Quantitative X‐ray Fluorescence Analysis , London , Philadelphia : Heyden & Son Ltd. .
- Jenkins , R. 1974 . An Introduction to X‐ray Spectrometry , London , New York : Heyden & Son Ltd. .
- Waring Commercial Blender, Model 31BL92 , New Hartford , CT : Waring Products Division .
- Spex 1 1/4”; dia die, Spex Industries Inc., 3880 Park Avenue, Edison, NJ.
- Standard Materials V‐9 and V‐10, International Atomic Energy Agency, Laboratory Siebersdorf, P.O. Box 100, A‐1400 Vienna, Austria.
- CRM 060, 061 and 062. 1986 Community Bureau of Reference, 200 rue de la Loi, B‐1049 Brussels, Belgium.
- NIES CRM No. 3, No. 7 and No. 9, National Institute for Environmental Studies, Tsukube, Ibaraki, 305 Japan.
- SRM 1571, 1572, 1573 and 1575, US Dept. of Commerce, NIST, Gaithersburg, MD 20899.
- ‘Kale’ vegetation reference sample, Dr. J. M. Bowen, Chem. Dept., University of Reading, Reading RGG 2AD, Great Britain.
- Reference tobacco leaves CTA‐OTL‐1 and CTA‐VTL‐2, Committee for Analytical Chemistry of Polish Academy of Sciences, Institute of Nuclear Chemistry, Dorodna 16, 03–195, Warsaw, Poland.
- Lachance , G. R. and Traill , R. J. 1966 . Can. Spectrosc. , 11 : 43
- Rousseau , R. 1988 . CiLT Software for Calculating Matrix Correction Coefficients 28 Montmagny, P.O. Box 394, Cantley, Quebec , , Canada J0X 1L0
- Zöttl , W. H. , Hüttl , R. F. , Fink , S. , Tomlinson , G. H. and Wisniewski , J. 1989 . Nutritional disturbance and histological changes in declining forests . Water, Air and Soil Pollut. , 48 : 87 – 109 .
- Baule , H. and Flicker , C. 1970 . “ Nutrient antagonism, nutrient interaction ” . In Fertilization Treatment of Forest Trees , 33 – 34 . Munich , FRG : Blv Verlagsgesselschaft .
- Tomlinson , G. H. 1990 . “ Sections 2.5.4, 3.9.2 ” . In Effects of Acid Deposition on the Forests of Europe and North America , Edited by: Tomlinson , G. H. and Tomlinson , F. L. CRC Press .
- Morrison , I.K. 1985 . Effect of crown position on foliar concentrations of eleven elements in ‘Acer saccharum’ and ‘Betula alleghaniensis’ trees on a till soil . Can. J. For. , 15 : 179 – 183 .