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Methods of Facilitating Reforestation of Tropical Degraded Land with the Native Timber Tree, Terminalia amazonia

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In tropical dry regions, like Costa Rica, it is critical to reforest degraded farms in order to reduce erosion and increase soil fertility. This paper explores the results of an 8-year long experiment in Southern Costa Rica that sought to identify ways to reforest such land economically.

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Growth of native forest species planted on abandoned pasture land in Costa Rica

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Reforestation programs in Costa Rica have largely utilized only four tree species. This study tests growth rates and form of eleven additional tree species native to the humid tropics, including five N-fixing species and six non-N-fixing species.

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Direct Seeding of Late-Successional Trees to Restore Tropical Montane Forest

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This study measures seed germination, seedling establishment, survival, growth and foliar nutrient content of five late-successional tree species which were directly seeded into three different habitats representing different stages of succession in tropical montane Costa Rica.The study also compares the costs of direct seeding with locally collected seeds with planting nursery-raised seedlings.

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Performance of an Improved Fallow System in the Peruvian Amazon—Modelling Approach

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This research compares the ecological and economic potential of an improved leguminous tree fallow (using Inga edulis) to the traditional grass fallow (dominated by Imperata brasiliensis) in central Peru.

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A Review of the Agroforestry Systems of Costa Rica

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This literature review provides a historical overview of agroforestry systems in Costa Rica from the 1970s to the present.

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Amelioration of degraded rain forest soils by plantations of native trees

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While much has been studied about the ability of tree growth to improve degraded soils in temperate zones, less is known about the impacts of tree growth on degraded soils in tropical zones.

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Development of the Soil Macrofauna Community under Silvopastoral and Agrosilvicultural Systems in Amazonia

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This study seeks to analyze the effect that different agroforestry systems have on the recolonization of macrofauna in the soil of former pasture lands.

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