List of Contributors. Foreword. Acknowledgements. Introduction, C.J. Pearson. Processes Controlling Productivity: Optimization of Productivity: Carbon and Water Economy in Higher Plants, I. Cowan. Stomatal Physiology, N. Thorpe. Photochemical Capacity and Photosynthesis, N. Terry and G.D. Farquhar. Carbon Partitioning, J.W. Patrick. Nitrogen Uptake, C.J. Pearson and W.A. Muirhead. Control of Productivity in Specific Crops: Water Deficit and Wheat, D. Aspinall. Flowering in Wheat, J.L. Davidson and K.R. Christian. Seed Development and Quality in Bean, P.B. Goodwin and M.A. Siddique. Maize and Pearl Millet, C.J. Pearson and A.J. Hall. Temperate Pastures, D.R. Kemp. Tropical Pastures, J.R. Wilson. Natural Grasslands, E.K. Christie. Fruit Crops, K.A. Olsson, P.R. Cary, and D.W. Turner. Protected Crops, S.W. Burrage and P. Newton. Mangroves, B.F. Clough. Trees and Forest Restoration, F.J. Burrows. Modelling Environmental Effects on Crop Productivity, J.M. Morgan. Glossary of Main Symbols. Index.