Clair Keene, a researcher at The Pennsylvania State University, and her colleagues wanted to find the perfect time to crimp-kill a cover crop: grown long enough to make biomass adequate to suppress weeds, but not far enough along to make seeds.
Are We Organic Yet?! A Quick Overview of Certification and What It Means to be Organic
Author: George Kuepper
Date: March 2012
Presentation from the horticulture track of the Oklahoma Beginning Farmer & Rancher Program; covers organic practices, prohibited substances, food safety, integrity, seeds & planting stock, marketing, steps to certification, and resources.