Low input technologies for sustainable agricultural systems

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Bibliographic Details
Main Authors: Pray, Carl E. 106799, 76379 Harwood, R.R., 114230 Ruttan, V.W.
Format: biblioteca
Published: Boulder, Colo. (EUA) Westview Press 1987
Subjects:SOSTENIBILIDAD, TECNOLOGIA, SISTEMAS DE EXPLOTACION,
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