Paddy rice growth evaluation method and device

摘要

To provide a paddy rice growth evaluation method and a device therefor, which allow even a person which does not have much experience of a paddy rice cultivation, a layman or a color vision disabled (color weakness or color blindness), to measure quickly, a leaf color scale value.SOLUTION: The invention is configured to measure a SPAD value of paddy rice by a chlorophyll meter, for guiding a relational expression (Y=0.129X-0.2) of the chlorophyll meter SPAD value X and a leaf color scale value Y, then approximate the leaf color scale value determined by the relational expression in units of 0.25, then evaluate the paddy rice with the approximated leaf color scale value.SELECTED DRAWING: Figure 1