Tob. Sci., 1986, 30-28, p. 109-111, ISSN. 0082-4523
Rapid spectrophotometric analysis of the chemical composition of tobacco. Part IV: Total nitrogen
Tobacco Research Laboratory, ARS-SAA, USDA, Oxford, NC, USA; Department of Biological Engineering, North Carolina State University, Raleigh, NC, USA
A near infrared reflectance spectrophotometric calibration equation was developed for the rapid estimation of total nitrogen in ground samples of flue-cured tobacco leaves. Stepwise multiple linear regression techniques were used to develop various...