RNGR.net is sponsored by the USDA Forest Service and Southern Regional Extension Forestry and is a colloborative effort between these two agencies.

U.S. Department of Agriculture USDA Forest Service Southern Regional Extension Forestry Southern Regional Extension Forestry

Skip to content. | Skip to navigation

Home → Authors → Edward J. Porterfield

Edward J. Porterfield

1 publication by Edward J. Porterfield:

Publication A Screen for Cleaning Small Lots of Sycamore Seed
Publication: Tree Planters' Notes - Volume 20, Number 2 (1969)
More Details