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Buried Organic Layer Affects the Growth of Slash Pine in the Florida SandhillsAuthor(s): Edwin A. Hebb
Source: Res. Note SE-209. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 8 p.
Publication Series: Research Note (RN)
Station: Southeastern Forest Experiment Station
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DescriptionA technique for deep placement of organic matter within the soil, called sublayering, was tested as a means of improving Florida sandhill sites for slash pine (Pinuselliottii var. clliortii Engelm.). Single-tree plots were installed in four treatments: sublayering with peat moss, clearing, clearing plus sublayering, and no treatment.Survival was poor only on the cleared plots.Height-growth differences between treatments were significant at the 0.0I level but did not show sublayering to be beneficial. Average 8-yearheight on untreated plots was 1.26 m, 1.44 m on cleared plots, 1.48 m on sublayered plots, and 2.48 m on cleared-sublayered plots. Root excavation showed proliferation of roots in the peat moss layer, but all roots had poor growth due to black root rot. Sublayering does not appear to be a good substitute for mechanical site preparation, though it may have value when applied along with it.
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CitationHebb, Edwin A. 1980. Buried Organic Layer Affects the Growth of Slash Pine in the Florida Sandhills. Res. Note SE-209. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 8 p.
KeywordsTiefdungung, soil amendments, sublayering, peat moss
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