Agroforestry and the Improvement of Soil Fertility: A View from Amazonia

<table>Agroforestry system in initial phase, with black pepper (<i>Piper nigrum</i>) as principal cash crop, interplanted with cupuaçu (<i>Theobroma grandiflorum</i>) and açaí (<i>Euterpe oleracea</i>) for future fruit production, as well as timber trees (mahogany—<i>Swietenia macrophylla </i>and ipê—<i>Tabebuia </i>sp.) and Brazil nut (<i>Bertholletia excelsa</i>) as long-term products.</table>

Applied and Environmental Soil Science

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Figure 2

Figure 2: Agroforestry and the Improvement of Soil Fertility: A View from Amazonia 