Skip to Main Content
Influence of herbicides and felling, fertilization, and prescribed fire on longleaf pine establishment and growth through six growing seasonsAuthor(s): James D. Haywood
Source: New Forests, Vol. 33: 257-279
Publication Series: Miscellaneous Publication
PDF: View PDF (1.34 MB)
DescriptionRecovery of longleaf pine (Pinus palutris. Mill.) is necessary to arrest the decline of many associated plants and animals, and the establishment of longleaf pine on much of its original range requires artificial regeneration and diligence. In central Louisiana, USA, two fertilization levels (No [NF] or Yes [F-36 kg/ha N and 40 kg/ha PI) in combination with three vegetation treatments (check, two prescribed fires [PF], or multi-year vegetation control by herbicidal and mechanical means [IVM]) were applied to container-grown longleaf pine plantings in two studies. In Study 1 (grass dominated), 6-year-old longleaf pine survival was 52% on the F-checks, 78% on the F-PF plots, and averaged 93% on the other four treatment combinations. Longleaf pine trees on the IVM plots (3.4 m) were significantly taller than on the other two vegetation treatments, and trees on the PF plots (1.8 m) were taller than trees on the check plots (1.2 m). In Study 2 (brush dominated), survival averaged 65% across the six-treatment combinations after 6 years. The longleaf pine trees were 4.7 m tall on the IVM plots and averaged 3.9 m tall on the check and PF plots. Fertilization increased P concentrations in the soil and longleaf pine foliage, while fertilization did not significantly affect longleaf pine height growth. Native fertility was not apparently limiting longleaf pine development contrary to prior research recommendations for these soils. In both studies, the IVM treatment reduced early herbaceous competition and the number and height of arborescent plants. The PF treatment reduced arborescent plant height on the grassy site where fires were more intense than on the brushy site.
- You may send email to firstname.lastname@example.org to request a hard copy of this publication.
- (Please specify exactly which publication you are requesting and your mailing address.)
- We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
CitationHaywood, James D. 2006. Influence of herbicides and felling, fertilization, and prescribed fire on longleaf pine establishment and growth through six growing seasons. New Forests, Vol. 33: 257-279
Keywordsbrown-spot needle blight, container seedlings, diammonium phosphate, hexazinone, Mycophaerella dearnessii M. E. Barr, Pinus palustris P. mill, sethoxydim, triclopyr
- Influence of herbicides and felling, fertilization, and prescribed fire on longleaf pine growth and understory vegetation through ten growing seasons and the outcome of an ensuing wildfire
- Influence of herbicides and improvement cutting, fertilization, and prescribed fire on planted longleaf pine development
- Effects of prescribed fire on vegetation and fuel loads in longleaf pine stands in the bluestem range
XML: View XML