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Growth and nutrient status of loblolly pine seedlings in relation to flooding and phosphorusAuthor(s): W. H. McKee; D. D. Hook; D. S. DeBell; J. L. Askew
Source: Soil Science Society of America Journal
Publication Series: Scientific Journal (JRNL)
Station: Southern Research Station
PDF: Download Publication (452.0 KB)
DescriptionGrowth and total biomass of 2-year-old loblolly pine (Pinus taeda L.) were seriously suppressed by continuous flooding compared to dormant season flooding or drainage to a depth of 61 cm. Dormant season flooding produced larger seedlings than did maintaining the water table at 61 cm. Phosphorus added at 100 mg kg-1 to the surface 15 cm of topsoil increased total biomass with continuous flooding but not with other drainage treatments. Content of N, P, K, Ca, and Mg were closely associated with total seedling biomass. Sodium, Zn, and Fe concentrations were greater in roots than foliage of seedlings. Results indicate that loblolly pine required higher soil P with excessive water and suggest that P is' alJIe to at least partly alleviate the need for drainage.
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CitationMcKee, W. H.; Hook, D. D.; DeBell, D. S.; Askew, J. L. 1984. Growth and nutrient status of loblolly pine seedlings in relation to flooding and phosphorus. Soil Science Society of America Journal. 48(6): 1438-1442.
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