References
- Blanchar , R.W. 1986 . “ Measurement of sulfur in soils and plants ” . In Sulfur in Agriculture , Edited by: Tabalabai , M.A. 455 – 490 . Madison , WI : Soil Science Society of America .
- Kingston , H.M. and Jassie , L.B. 1986 . Microwave energy for acid decomposition at elevated temperatures and pressures using biological and botanical samples . Analytical Chemistry. , 58 : 2534 – 2541 .
- Gilman , L.B. 1987 . General guidelines for microwave sample preparation , Matthews , NC : CEM Corporation .
- White , R.T. and Douthit , G.E. 1985 . Use of microwave oven and nitric acid‐hydrogen peroxide digestion to prepare botanical materials for elemental analysis by inductively coupled argon plasma emission spectroscopy . J. Assoc. Off. Anal. Chem. , 68 : 766 – 769 .
- Smith , M.W. and Storey , J. B. 1976 . The influence of washing procedures on surface removal and leaching of certain elements from pecan leaflets . Hortscience. , 11 : 50 – 52 .
- Blanchar , R.W. , Rehm , G. and Caldwell , A.C. 1965 . Sulfur in plant materials by digestion with nitric and perchloric acid . Soil Sci. Soc. Amer. Proc. , 29 : 71 – 72 .
- Texas Agricultural Extension Soil and Plant Analysis Laboratory. Texas A&M University, College Station, TX 77843.
- Horticulture Department, Texas A&M University, College Station, TX 77843.
- CEM Corporation, Matthews, NC 28105.