(comparative more colloquial, superlative most colloquial) ( 1 linguistics) Denoting a manner of speaking or writing that is characteristic of familiar conversation; informal.  Of or pertaining to a conversation; conversational or chatty.
Cotton dust is often present in the air during cotton handling and processing. Cotton dust may contain many substances including ground-up plant matter, fiber, bacteria, fungi, soil, pesticides, non-cotton matter, and other contaminants that may have accumulated during growing, harvesting, and subsequent processing or storage periods.
Foliar fungicides are now applied to more than 10 million acres of corn in the U.S. (CDWG members, personal communication), and often this is in the absence of a justifiable disease threat. Oddly enough, a soybean disease also played a role that increased corn fungicide use.