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Agroforestry for Commodity Production: Ecological and Social Dimensions
Natural abundance of 15 N was sampled in young and mature leaves, branches, stem, and coarse roots of trees in a cacao (Theobroma cacao) plantation shaded by legume tree Inga edulis and scattered nonlegumes, in a cacao plantation with mixed-species shade (legume Gliricidia sepium and several non-legumes), and in a tree hedgerow bordering the plantations in Guácimo, in the humid Caribbean lowlands of Costa Rica. The deviation of the sample 15 N proportion from that of atmosphere (d 15 N) wasdoi:10.1007/978-90-481-3365-9_5 fatcat:bwaso5ejqba3vhawatldvmtfau