Seasonal variation of maximum photochemical efficiency in boreal Norway spruce stands T. LundmarkJohan BerghAndres Koppel ORIGINAL ARTICLE Pages: 63 - 67
Element content in leaves of birch (Betula verrucosa Ehrh.) in an air polluted area P. HrdlickaE. Kula ORIGINAL ARTICLE Pages: 68 - 73
Regeneration of bark and formation of abnormal birch wood Ludmila L. Novitskaya ORIGINAL ARTICLE Pages: 74 - 79
Light attenuation in a 14-year-old loblolly pine stand as influenced by fertilization and irrigation D. A. SampsonH. Lee Allen ORIGINAL ARTICLE Pages: 80 - 87
Leaf defoliation of tropical dry forest tree seedlings – implications for survival and growth Karin Gerhardt ORIGINAL ARTICLE Pages: 88 - 95
Provenance variation in morphology and leaflet anatomy of Parkia biglobosa and its relation to drought tolerance Z. TeklehaimanotJ. LanekH. F. Tomlinson ORIGINAL ARTICLE Pages: 96 - 102
Ethanol synthesis, nitrogen, carbohydrates, and growth in tissues from nitrogen fertilized Pseudotsuga menziesii (Mirb.) Franco and Pinus ponderosa Dougl. ex Laws. seedlings R. G. KelseyGladwin JosephElizabeth A. Gerson ORIGINAL ARTICLE Pages: 103 - 111
Differential energization of the tonoplast in suspension cells and seedlings from Picea abies Wolfgang Pfeiffer ORIGINAL ARTICLE Pages: 112 - 116