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Results are reported from a study of leaf area dynamics in 100 plots in stands of lodgepole pine (Pinus contorta var. latifolia, age range 67-134 yr) ...
Read moreIn field experiments in N. Finland, 80 study plots (5×5 m) in mixed pine (Pinus sylvestris)/mountain birch (Betula tortuosa) woodland were irrigated w...
Read moreTheoretical analysis of a simple model, in which tree growth in even-aged stands is calculated as the product of unit leaf rate (E, increase in plant ...
Read moreThe relationship between leaf conductance and environmental variables was examined during two summers in 22-year-old Shamouti orange trees. Soil water...
Read moreEffects of total solar radiation and temperature on the early vegetative growth of Helianthus annuus cv. Polestar and Phaseolus vulgaris cv. Canadian ...
Read moreFrom an ecological and environmental point of view, livestock husbandry plays a very important role as there is a valuable interaction between livesto...
Read moreThe effects of biotic and abiotic factors on the distribution of three species of nymphalids (Aphantopus hyperantus, Pyronia tithonus and Maniola jurt...
Read moreThe population dynamics of the annual weed Emex australis are described for 3 sites in south-eastern Australia. A graphical test showed a random spati...
Read moreThe response to density of the annual Agrostemma githago were investigated over a wide range of densities in pure populations and also in the presence...
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