Current issue: 54(2)

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Silva Fennica 1926-1997
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Articles by David B. South

Category: Review article

article id 687, category Review article
Janusz B. Zwolinski, David B. South, E. A. P. Droomer. (1998). Pine mortality after planting on post-agricultural lands in South Africa. Silva Fennica vol. 32 no. 3 article id 687. https://doi.org/10.14214/sf.687
Successful afforestation has been practiced in South Africa for more than a century. Recently, however, problems with afforestation of pines have occurred in the northeastern part of the Eastern Cape Province. Rapid mortality of Pinus patula and P. elliottii have occurred when small container seedlings were planted on old-agricultural soils. Death would often occur within 5 months of planting. Growth of surviving trees was retarded and new needles were chlorotic and stunted. Acceptable survival was obtained when seedlings were planted on virgin grasslands. Apparently, some unseen factor in the post-agricultural soil reduces root growth, increases mortality, and decreases uptake of nutrients. Removal of the infested soil by scalping greatly improves survival and growth as does soil fumigation with methyl bromide.
  • Zwolinski, Northeast Cape Forests, 19 Nassau St., 5470 Ugie, Rep. of South Africa ORCID ID:E-mail: janusz.zwolinski@paper.mondi.co.za (email)
  • South, School of Forestry, Auburn University, Auburn, Alabama 36849-5418, USA ORCID ID:E-mail:
  • Droomer, Northeast Cape Forests, 19 Nassau St., 5470 Ugie, Rep. of South Africa ORCID ID:E-mail:

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