Suriani, N.L. 2019. Piper caninum blume leaf extract and compost to suppress blast disease and increase the production of bali red rice (oryza sativa) in green house. International research journal of engineering, IT & scientific research. 5, 4 (Jul. 2019), 46–54. DOI:https://doi.org/10.21744/irjeis.v5n4.693.