Last week I was in a discussion with Dr. Mark Tomer, ARS National Laboratory of Agriculture and Environment, about the amount of research that exists, or more importantly the amount of research that does NOT exist, on the efficacy of grassed waterways. Dr. Tomer agreed there was very little research done on grassed waterways, but quickly added he could not imagine submitting a project proposal for grassed waterways because it is assumed, by most funding institutions, that grassed waterways are completely researched and …