Calculation and interpretation in the diagnosis and recommendation integrated system
2004
Labuda, S.Z.,Akademia Rolnicza, Lublin (Poland). Katedra Chemii Rolnej i Srodowiskowej | Beverly, R.B.,Georgia Dept. of Agriculture, Atlanta (USA)
The paper presents a way of calculation in the method of the diagnosis and recommendation integrated system DRIS, described in Appendix 5 by Reuben B. Beverly, in the book of J. Benton Jones Jr, Benjamin Wolf and Harry A. Mills. 1991. Plant Analysis Handbook - a practical sampling, preparation, analysis, and interpretation guide. Micro-Macro Publishing, Inc., Athens, Georgia, USA. In the appendix R.B. Beverly described a simple method to calculate and interpret DRIS index values. Dr R.B. Beverly noted that, - In practice, DRIS indices are generally calculated using computers. For the sake of understanding and practicing DRIS calculations, sample problems have been designed so that calculations can be made with a hand calculator
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