1. AF&PA 2001U.S. Forests Facts & Figures. The American Forest & Paper Association. Washington, DC, USA (http://www.afandpa.org/).
2. Baker, T.G., Cameron, J.N., Fagg, P.C. and Matthews, D. 1988 Effect of timing and rate of hexazinone application on weed control and early growth of Pinus radiata on two contrasting sites. Austr. For.51, 92–97.
3. Balneaves, J.M. 1982 Grass control for radiata pine establishment on droughty sites. N. Z. J. For.27, 259–276.
4. Balneaves, J. and Christie, M. 1988 Long-term growth response of radiata pine to herbaceous weed control at establishment. N. Z. J. For.33, 24–25.
5. Balneaves, J.M. and McCord, A.R. 1990 Gorse control: a trying experience at Ashley forest. In Alternatives to the Chemical Control of Weeds. C. Bassett, L.J. Whitehouse and J.A. Zabkiewicz (eds). Proceedings of an International Conference, Rotorua, New Zealand, July, 1989. Ministry of Forestry, FRI Bulletin No. 155, pp. 150–156.