Some effects of pruning on growth and timber quality of eucalyptus grandis in Zululand

South African Forestry Journal

Volumn 114, Issue 1, 1980, Pages 29-34

  Bredenkamp, B V ^a   Malan, F S ^b   Conradle, W E ^b  

^a Natal Forestry Research Centre ^*  (South Africa)

^b South African Agency for Science and Technology Development   (South Africa)

Author keywords

Eucalyptus grandis; Pruning; Timber defects

Indexed keywords

EID: 0001952764     PISSN: 00382167     EISSN: None     Source Type: Journal    
DOI: 10.1080/00382167.1980.9629831     Document Type: Article

References (14)

1. ANON, 1977. Pruning Policy for E. grandis. Forest Management Instruction No. 59. Department of Forestry. Pretoria. File 17/2/3/5, 14/1111977. 2 pp.
2. ANON, 1978. South Africa's commercial timber resources 1977-78. Government Printer, Pretoria.
3. BREDENKAMP, B.V., 1977. The relationship between growth and stand density of Eucalyptus grandis (Hill) Maiden. Unpubl. M.Sc. thesis, Univ. of Stellenbosch. 204 pp.
4. DE VILLIERS, A.M., 1968. The relationship between age, species and certain wood properties of the Eucalyptus grandislsaligna complex. Forestry in South Africa, 9. pp. 11-14.
5. LÜCKHOFF, H.A., 1967. Pruning of Eucalyptus grandis. Forestry in South Africa 8, Nov. 1967. pp. 75-84.
6. MAREE, H.B., 1979. The development of a pruning policy for the fast growing Eucalyptus species in State Forests. S. Afr. For. J. 109, pp. 32-37.
7. NICHOLSON, H.B., 1963. The development of the market for Saligna gums in South Africa. J. S. Afr. For. Assoc. 46. 1963, pp. 23-26.
8. SCHÖNAU, A.P.G., 1974. The effect of planting espacement and pruning on growth, yield and timber density of Eucalyptus grandis. S. Afr. For. J., 88, pp. 16-23.
9. SNEDECOR, C.W., and COCHRAN, W.G., 1976. Statistical methods. The Iowa State Univ. Press, Ames. Iowa, U.S.A. Sixth Edition, Eighth Printing. 593 pp.
10. STEEL, R.G.D., and TORRIE, J.H., 1960. Principles and procedures of statistics. McGraw-Hili Book Company, Inc. New York. 481 pp.
11. SUTTON, W.R. I., and CROWE, J.B., 1970. Preliminary results from the Kiangaroa pruning trial. Proc. of N.Z. Forest Serv. Forest Res. Inst., Symp. No. 12, Pruning and thinning practice. Rotarua, March 1970. pp. 150-151.
12. VAN LAAR, A., 1961. Eucalyptus saligna in South Africa: An investigation into the silviculture and economics. Annals of the Univ. of Stellenbosch, Vol. 36, Series A, No.1, 1961. 110 pp.
13. VAN LAAR, A., 1973. Needle-biomass, growth and growth distribution of Pinus radiata in South Africa in relation to pruning and thinning. Forstliche Forschungsanstalt Miinchen, Forschungsberichte No.9. 282 pp.
14. VAN LAAR, A., and BREDENKAMP, B.V., 1979. The effect of initial spacing on some growth parameters of Eucalyptus grandis S. Afr. For. J., 111, pp. 58-63.