ESTUDIO COMPARATIVO DE CUATRO TRATAMIENTOS BIOLÓGICOS PARA EL APROVECHAMIENTO  DE RESIDUOS SÓLIDOS ORGÁNICOS

Janneth Jara-Samaniego; Estalin Mejía Hidalgo; Steven Ramos Romero

doi:10.47187/perf.v1i33.318

Authors

Janneth Jara-Samaniego Escuela Superior Politécnica de Chimborazo, Facultad de Ciencias, Riobamba, Ecuador
Estalin Mejía Hidalgo Universidad Nacional de Chimborazo, Facultad de Ingeniería, Riobamba, Ecuador
Steven Ramos Romero Escuela Superior Politécnica de Chimborazo, Decanato de Investigaciones, Riobamba, Ecuador

DOI:

https://doi.org/10.47187/perf.v1i33.318

Keywords:

organic fertilizer, biomass, environment, market wastes, biological treatments

Abstract

Organic waste generated in the markets of a community of Ecuador, was subjected to four biological treatments: composting (T1): pile of 1050 kg of waste; co-composting (T2): pile of 900 kg of waste and 150 kg of straw; takakura (T3): pile of 300 kg of waste and 50 kg of seed compost and vermicomposting (T4): 1 m² bed with 60 kg of pre-composted waste. The market waste was mechanically shredded. The piles were placed in a semi-enclosed. In the organic fertilizers obtained, the pH (T1= 9.8; T2= 9.9; T3= 7.84 y T4= 8.01), electrical conductivity in dSm^-1 (T1= 4.43; T2= 4.57; T3= 2.19 y T4= 0.56), percentage of organic matter (T1= 31.69; T2= 31.45; T3= 26.15 y T4= 25.32), percentage of macronutrients: nitrogen (T1= 0.81; T2= 2.33; T3= 1.04 y T4= 2.34), phosphorus (T1= 0.80; T2= 1.86; T3= 0.97 y T4= 2.00) and potassium (T1= 0.48; T2= 4.22; T3= 1.38 y T4= 3.76) and percentage of germination index (T1= 64.59; T2= 91.3; T3= 95.57 y T4= 100) were determined. The ANOVA statistical tool and the Tukey-b test were used (P < 0.05). The results indicated that vermicomposting was the best treatment.

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