1. Agriculture-forest-plantation Institute of Jiangxi Province, 1975. Experiments of planting density for Chinese fir on a red soil of hilly land. For. Sci. Tech. (2), 4–6 (in Chinese).
2. Ando, T., 1962. Growth analysis on the natural stands of Japanese red pine (Pinus densiflora Sieb. et Zucc.). II. Analysis of stand density and growth. Bull. For. For. Prod. Res. Inst. 147, 45–77 (in Japanese with English summary).
3. Firbank, L.G., Watkinson, A.R., 1990. On the effects of competition: from monocultures to mixture. In: Grace, J.B., Tilman, D. (Eds.), Perspectives on Plant Competition. Academic Press, San Diego, pp. 165–192.
4. Harper, J.L., 1977. Population Biology of Plant. Academic Press, London, pp. 892
5. Hozumi, K., 1973. Interactions Among Higher Plants. Kyouritsu-Shuppan, Tokyo, pp. 124 (in Japanese).