ScaleHorsfallBarratt {ecotoxicology} | R Documentation |
Horsfall-Barratt Scale for Measuring Plant Disease
ScaleHorsfallBarratt(percentAffected)
percentAffected |
numeric vector |
Horsfall-Barratt Scale for Measuring Plant Disease
Jose Gama
Horsfall, J. G.; Barratt, R. W., 1945 An Improved Grading System for Measuring Plant Disease. Phytopathology.