Unit farms and farming systems research: the IITA experience


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Animal production systems. Global workshop - Página 216

Manuel E. Ruiz - 1995 - 514 páginas

Unit - farms and farming systems research : The IITA experience . Ibadan , Nigeria , International Institute for Tropical Agriculture . Discussion Paper No. 3/79 . 15 p . NORDBLOM , T.L. 1983a . Crop - livestock interactions : The case ...

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Agroecosistemas: conceptos básicos

Robert D. Hart - 1980 - 18 páginas

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