Dwayne Estes June 5, 2017 Grassland Stories Check out Chris Helzer's great webinar on using fire and grazing to manage prairies. Dwayne Estes June 5, 2017 Grassland Stories Chris Helzer (The Nature Conservancy). 1 June 2017. Using Fire and Grazing to Maintain Productive and Ecologically Resilient Grasslands. Webinar (original) available via USDA's Science & Technology Training Library Webinar Portal for Conservation of Natural Resources. 1 hr, 4 min.
