plant quality trait stover organic matter digestibility in vitro organic matter digestibility (exact) 2011-08-19T03:13:08Z plant_trait_ontology TO:0020080 stover related trait (broad) A plant quality trait (TO:0000597) which is the amount of organic matter in the stover that can be digested by animals. jaiswalp Measured as a percentage. The value is derived from in vitro chemical analysis with rumen microbial inoculum of dried and ground stover, usually using Near Infrared Reflectance Spectrophotometry (NIRS) after appropriate calibration.