1. Biscoe, P.V., Gallagher, J.N., 1977. Weather, dry matter production and yield. In: Landsberg, J.J., Cutting, C.V. (Eds.), Environmental Effects on Crop Physiology. Academic Press, London, pp. 75–100.
2. Optima and limiting factors;Blackman;Ann. Botany (old series),1905
3. Bouman, B.A.M., Schapendonk, A.H.C.M., Stol, W., van Kraalingen, D.W.G., 1996. Description of LINGRA, a model approach to evaluate potential productivities of grasslands in different European climate regions. In: Quantitative Approaches in Systems Analysis 7. DLO Research Institute for Agrobiology and Soil Fertility and C.T. de Wit Graduate School for Production Ecology, Wageningen, 58pp.
4. The significance of changes in the red/far-red ratio, associated with either neighbour plants or twilight, for tillering in Lolium multiflorum Lam;Casal;New Phytol.,1990
5. Long-term effects of CO2 enrichment and temperature increase on the carbon balance of a temperate grass sward;Casella;J. Exp. Botany,1997