References
- Albaugh , T. J. , Allen , H. L. , Dougherty , P. M. and Johnsen , K. H. 2004 . Long term growth responses of loblolly pine to optimal nutrient and water resource availability. . Forest Ecology and Management , 192 : 3 – 19 .
- Beets , P. N. , Gilchrist , K. and Jeffreys , M. P. 2001 . Wood density of radiata pine: effect of nitrogen supply. . Forest Ecology and Management , 145 : 173 – 180 .
- Benson , M. L. , Landsberg , J. J. and Borough , C. J. 1992 . The biology of forest growth experiment: an introduction. . Forest Ecology and Management , 52 : 1 – 16 .
- Brack , C. 1999 . Forest Measurement and Modelling [online]. Available from www.sres.anu.edu.au/associated/ mensuration/stand.htm [accessed 8 July 2003]
- Clark , A. III , Borders , B. E. and Daniels , R. F. 2004 . Impact of vegetation control and annual fertilization on properties of loblolly pine wood at age 12. . Forest Products Journal , 54 ( 12 ) : 90 – 96 .
- Clark , A. III , Daniels , R. F. and Miller , J. H. 2006 . Effect of controlling herbaceous and woody competing vegetation on wood quality of planted loblolly pine. . Forest Products Journal , 56 ( 2 ) : 40 – 46 .
- Cown , D. J. and McConchie , D. L. 1981 . Effects of thinning and fertiliser application on wood properties of . Pinus radiata. New Zealand Journal of Forestry Science , 11 : 79 – 91 .
- Crous , J. W. , Morris , A. R. and Scholes , M. C. 2007 . The significance of residual phosphorus and potassium fertiliser in countering yield decline in a fourth rotation of Pinus patula in Swaziland. . Southern Hemisphere Forestry Journal , 69 : 1 – 8 .
- Crous , J. W. , Moms , A. R. and Scholes , M. C. 2008 . Growth and foliar nutrient response to recent applications of phosphorus (P) and potassium (K) and to residual P and K fertiliser applied to the previous rotation of Pinus patula at Usutu, Swaziland. . Forest Ecology and Management , 256 : 712 – 721 .
- Donkin , M. J. , Pearce , J. and Chetty , P. M. 1993 . Methods for Routine Plant Analysis in the 1CFR Laboratories. ICFR Bulletin 06/93. Institute for Commercial Forestry Research, Pietermaritzburg.
- Evans , J. 2005 . Growth rates over four rotations of pine in Swaziland. . International Forestry Review , 7 : 305 – 310 .
- Gray , R. L. and Kyanka , G. H. 1974 . Potassium fertilization effects on the static bending properties of red pine wood. . Forest Products Journal , 24 : 92 – 96 .
- Jagels , R. 2006 . Management of wood properties in planted forests—a paradigm for global forest production. Working paper FP/36/E. Department of Forest Ecosystem Science, Orono, Maine, USA.
- Kyriaki , K. 2004 . How a dependent variable's non-randomness affects taper equation fitting. . Southern African Forestry Journal , 202 : 67 – 76 .
- Larson , P. R. , Kretschmann , D. E. , Clark , A. III and Isebrands , J. G. 2001 . Formation and Properties of Juvenile Wood in Southern Pines. A Synopsis. General Technical Report FPL-GTR-129, Madison, WI. US Department of Agriculture, Forest Service, Forest Products Laboratory.
- Lindstrom , M. J. and Bates , D. M. 1990 . Nonlinear effects models for repeated measures data. . Biometrics , 46 : 673 – 687 .
- Lowell , K. E. 1987 . A distributional taper-based volume system for fertilized and unfertilized radiata pine plantations. . Australian Forest Research , 17 : 251 – 262 .
- McGrath , J. F. , Copeland , B. and Dumbrell , I. C. 2003 . Magnitude and duration of growth and wood quality responses to phosphorus and nitrogen in thinned Pinus radiata in southern Western Australia. . Australian Forestry , 66 : 217 – 222 .
- McKinnell , F. H. and Rudman , P. 1973 . Potassium fertilizer and wood density of . Pinus radiata. Appita , 26 : 283 – 286 .
- Mora , C. R , Allen , H. L. , Daniels , R. F. and Clark , A. 2007 . Modeling corewood-outerwood transition in loblolly pine using wood specific gravity. . Canadian Journal of Forestry Research , 37 : 999 – 1011 .
- Morris , A. R. 1986 . “ Soil fertility and long term productivity of ” . In Pinus patula in the Usutu Forest, Swaziland. Unpublished PhD thesis. University of Reading, UK.
- Morris , A. R. 1987 . “ Recommendations for fertilizer application to ” . In Pinus patula stands on the Usushwana igneous complex. Forest Research Document 19/87. Usutu Pulp Company, Swaziland.
- Morris , A. R. 1994a . Current prescriptions for operational fertilizer applications in the Usutu Forest. Forest Research Document 7/94. Usutu Pulp Company, Swaziland.
- Morris , A. R. 1994b . “ Trial series R155 first interim report: Weeding and fertilizer response of ” . In Pinus patula at age 1½ years on a gabbro derived soil. Forest Research Document 13/94. Usutu Pulp Company, Swaziland.
- Payne , R. W. 2007 . The Guide to GenStat® Release 10, Part 2 Statistics. VSN International, Wilkinson House, Jordan Hill Road, Oxford, UK, 1069 pp.
- Payne , R. , Welham , S. and Harding , S. 2008 . A Guide to REML in Genstat. 96 Hertfordshire , , UK : VSN International .
- Rubilar , R. A. , Allen , H. L. and Kelting , D. L. 2005 . Comparison of biomass and nutrient content equations for successive rotations of loblolly pine plantations on an Upper Coastal Plain Site. . Biomass and Bioenergy , 28 : 548 – 564 .
- Simpson , W. T. 1993 . Specific Gravity, Moisture Content and Density Relationship for Wood. General Technical Report FPL-GTR-76, US Department of Agriculture, Forest Service, Forest Products Laboratory, Madison, Wisconsin, 13 pp.
- Snowdon , P. and Waring , H. D. 1984 . “ Long-term nature of growth responses obtained to fertiliser and weed control applied at planting and their consequences for forest management. ” . In Proceedings of the IUFRO Symposium on Site and Productivity of Fast Growing Plantations. Edited by: Grey , D. C. , Schönau , A. P.G. and Schutz , C. J. 701 – 711 . 1. Pretoria and Pietermaritzburg, South Africa, 30 April to 11 May 1984
- Snowdon , P. , Waring , H. D. and Woollons , R. C. 1981 . Effect of fertilizer and weed control on stem form and average taper in plantation—grown pines. . Australian Forestry Research , 11 : 209 – 221 .
- Soil Survey Staff . 2006 . Keys to Soil Taxonomy. Washington , DC : US Government Printing Office . 10th edn. United States Department of Agriculture. 341
- Stanger , T. DvorakB. and Hodge , G. 2002 . Proceedings of the African Pulp and Paper Week. 8 – 11 . Variation and genetic control of basic wood density in Pinus patula grown in South Africa. In: Durban, October 2002. Technical Association of the Pulp and Paper Industry of South Africa [online]. Available from http://www.tappsa.co.za/archive/APPW2002/Title/ Variation_and_genetic_control_/variation_and_genetic_control_.html [accessed 23 October 2007]
- Tew , D. T. , Morris , L. A. , Allen , L. H. and Wells , C. G. 1986 . Estimates of nutrient removal, displacement and loss resulting from harvest and site preparation of a Pinus taeda plantation in the Piedmont of North Carolina. . Forest Ecology and Management , 15 : 257 – 267 .
- Van Laar , A. 2007 . Bark thickness and bark volume of Pinus patula in South Africa. . Southern Hemisphere Forestry Journal , 69 : 165 – 168 .
- Waterworth , R. , Raison , R. J. , Brack , C. , Benson , M. , Khanna , P. and Paul , K. 2007 . Effects of irrigation and N fertilization on growth and structure of Pinus radiata stands between 10 and 29 years of age. . Forest Ecology and Management , 239 : 169 – 181 .
- Wielinga , B. , Waterworth , R. and Brack , C. 2008 . Fertiliser and irrigation effects on wood density at various heights for . Pinus radiata. European Journal of Forest Research , 127 : 63 – 70 .
- Zobel , B. 1992 . Silvicultural effects on wood properties. . IPEF International, Piracicaba , 2 : 31 – 38 .