Hayfork Cooperative is welcoming summer with a very appropriate presentation by Hayforker Ryan Tarbell who will be presenting at Northern Delights Coffeehouse, 7091 Hwy. 3 in Hayfork, on Tuesday, June 21 from 7:00 to 9:00 pm. All are invited to Ryan’s cutting-edge report on the status of organic/ecological no till agricultural production systems. Ryan is a graduate student at Washington State University. His research focuses on cover crop residue decomposition in reduced tillage, organic systems and the nutrient cycling and yield characteristics associated with these systems.