Part A: General Aspects. The controlled-environment plant-chamber technique for CO2-exchange measurements in tree and forest research (F.E. Eckardt). Measurement of leaf photosynthetic rate in trees (J. Čatský, Z. Šesták). Chlorophyll determination and basic methods of chloroplast studies (Z. Šesták, J. Zima). Reflections on the shade cast by trees (M.C. Anderson). Source-sink relationships of fruit trees (C.A. Priestley). Primary production and carbon cycling in a primeval lowland rainforest of peninsular Malaysia (T. Kira). Water relations and gas exchange of tropical rainforest species under stress: Manilkara sp. from high caatinga forest at San Carlos de Rio Negro - Venezuela (H. Müllerstaël, E.F. Bruenig). Part B: Case Histories of Selected Tropical Tree Crops. Oil Palm (G.R. Squire, R.H.V. Corley). Coconut (A. Ramadasan, V. Rajagopal). Rubber (M.R. Sethuraj, A.S. Raghavendra). Tea (D.N. Barua). Coffee (P.K. Ramaiah, D. Venkataramanan). Cocoa (D. Balasimha). Mango (R.N. Singh). Leucaena (N.G. Hegde). Subject Index.