2Firbank L G, Watkinson A R. On the analysis of competition within two-species mixtures of plants[J]. Journal of Applied Ecology, 1985,22:503-517.
3Snaydon R W. Replacement or additive designs for competition studies[J]. Journal of Applied Ecology, 1991,28:930-946.
4Tukington R. Reproduction strategies and growth patterns in four legumes[J]. Canadian Journal of Botany, 1978,56:413-416.
5Pelzer D A, Wilson S D, Gerry A K. Competition intensity along a product gradient in a low-diversity grassland[J]. American Naturalist, 1998,151(5):465-476.
6Grime J P. Competition exclusion in herbaceous vegetation[J]. Nature, 1973,242:335-344.
7Goldberg D E, Landa K. Competitive effect and response: hierarchies and correlated traits in the early stages of competition[J]. Journal of Ecology, 1991,79:1013-1030.
8Stern W R, Donald C M. Light relationships in grass-clover swards[J]. Australian Journal of Agricultural Research, 1962,13:599-614.
9Harris W. Ryegrass genotype-environment interactions in response to density, cutting height, and competition with white clover[J]. New Zealand Journal of Agricultural Research, 1973,16:207-222.
10Grime J P. Vegetation classification by reference to strategies[J]. Nature, 1974,250:26-31.