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1General tecniques for land preparation on Guyana costal soils General tecniques for land preparation on Guyana costal soilsby 111486 Robinson, P.F., 105267 Pierre, R.E. autor/a, 15295 OEA. Instituto Interamericano de Ciencias Agrícolas (IICA) colaborador/a, 345225 National Grain Legume Programme colaborador/a
Published 1978Texto bibliotecaIICA -
2Push - Pull Seeder Unit Equipament for the Small Farmer Push - Pull Seeder Unit Equipament for the Small Farmerby 111486 Robinson, P.F., 105267 Pierre, R.E. autor/a, 352 IICA, Georgetown (Guyana) colaborador/a, 345225 National Grain Legume Programme colaborador/a, Fondo Simón Bolívar (FSB) colaborador/a 345253
Published 1978Texto bibliotecaIICA