41. Southern pine defoliation growth response data
- Author(s):
- Weise, David R.; Wade, Dale D.; Johansen, Ragnar W.; Combs, David C.; Ach, Edward E.
42. Precommercial thinning x fertilization study data from the Penobscot Experimental Forest
- Author(s):
- Brissette, John C.; Kenefic, Laura S.; Russell, Matthew B.