scale_of variable_of acronym entity attribute Relative density of hairs on the leaf surfaces (expanded leaves at the fourth node). Code description: none=hairs appear to be absent from leaf surfaces; few=leaf hairs are at a low frequency; moderate=leaf hairs are at a commonly seen density; hairy=density is greater than most cotton cultivars density; very hairy=highest density seen on leaf surfaces; pilose=leaf hairs are short and may lend a soft, velvety feel to leaf surface. DTL - Estimation method_of