Sprouting of slash, loblolly, and shortleaf pines following a simulated precommercial thinning (1985)Campbell, T. E. (1985). Sprouting of slash, loblolly, and shortleaf pines following a simulated precommercial thinning. Southern Research Station, Research Note SO-320. Retrieved from https://www.fs.usda.gov/treesearch/pubs/1735 To prevent cut stumps of 4- to 7-year-old slash (Pinus elliotiii Engelm.) and loblolly (f. taeda L.) pines from resprouting, precommercial thinnings should be done in late summer at 6 inches or less above the groundline. For shortleaf pine (P. echinata Mill.), late summer and 6 inches or less appears safe but should be delayed at least until age 5 years https://www.fs.usda.gov/treesearch/pubs/1735
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