Resumo

ROCCA JARA, Quemin et al. Composts of chicken and sheep manure enhance yield of coffee crops under an organic production system. Arnaldoa [online]. 2019, vol.26, n.2, pp.735-750. ISSN 1815-8242.  http://dx.doi.org/10.22497/arnaldoa.262.26215.

The export of coffee beans produced in organic system is important in the Peruvian economy, however, the yield of coffee crops is low. The low yields are caused meanly by lack of fertilization and presence of plagues as Hypothenemus hampei. In this work, we monitored the infestation of H. hampei and evaluated the effect of compost of chicken manure (EG) and sheep manure (EO). The treatments were T1 (20.52%EG-31.32%EO), T2 (9.72%EG-42.12%EO), T3 (34.56%EG-0%EO), T4 (24.84%EG-0%EO), T5 (0%EG-41.12%EO) and T6 (24.84%EG-19.98%EO). The plant material was Coffea arabica cv Caturra Vermelha. All treatments were enriched with phosphoric rock, dolomite, seabird guano, potassium sulfate, ulexite and kieserite. The results showed that treatments AO-2 and AO-3 increased the yield of coffee and net return.

Palavras-chave : Peru; organic fertilizer; coffee tree drill; beverage quality; coffee; Coffea arabica.

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