This article describes the results of a study in Costa Rica that compared the soil fertility in a 2.5 year-old plantation of 6 native tree species, grass pasture, and 20 year-old secondary forest.
Research Goals & Methods
Soil extractable Ca, Mg, K, P, Fe, Mn, Cu and Zn, the pH, exchangeable acidity, organic matter and total N were measured in three plots.
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This article describes the financial expenses and revenues incurred by the 15th year of a small native species plantation in Costa Rica.
research goals & methods
Forecasting models incorporate growth patterns, production costs, and wood prices to determine the net present value and internal rate of return for the project.
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