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| VERA, RAÚL R. and HOYOS GARCÉS, PHANOR Long-term beef production from pastures established with and without annual crops compared with native savanna in the Eastern Plains of Colombia: A compilation and analysis of on-farm results 1979‒2016. Trop. Grassl.-Forrajes Trop., Apr 2019, vol.7, no.1, p.1-13. ISSN 2346-3775
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