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Table 3 Physico-chemical characterization of compost treatments (MSW alone and integrated with organic additives) at 70 days

From: Evaluation of compost quality from municipal solid waste integrated with organic additive in Mizan–Aman town, Southwest Ethiopia

Chemical Characteristics Compost treatments
T1 (control) T2 T3 T4 T5 Over all mean
pH 7.1 ± 0.1c 7.6 ± 0.1b 7.6 ± 0.1b 7.9 ± 0.1a 7.9 ± 0.1a 7.6 ± 0.3
OM (%) 18.2 ± 0.7c 22.5 ± .0.8b 22.6 ± 0.9b 23 ± 0.9b 25.6 ± 0.8a 22.4 ± 2.5
OC (%) 10.6 ± 0.4c 13.0 ± 0.5b 13.1 ± 0.5b 13.3 ± 0.5b 14.9 ± 0.5a 13 ± 1.5
TN (%) 0.74 ± 0.05c 1.0 ± .0.06b 1.0 ± 0.04b 1.2 ± 0.05a 1.2 ± 0.05a 1.0 ± 0.2
T/P (ppm) 2051 ± 141c 2542 ± 122b 2576 ± 142b 2834 ± 151a 2918 ± 114a 2584 ± 315
C: N 14.3 ± 0.4a 13.0 ± 0.6b 13.0 ± 0.8b 11.3 ± 0.3c 12 ± 0.4c 12.7 ± 1.1
  1. OM organic matter, OC organic carbon, TN total nitrogen, T/P total phosphorus, C:N carbon and nitrogen ration
  2. * Mean values with different letters (a, b, c) among the treatments are significantly different from each other (p < 0.05)