STUDI KOMPARATIF ANTARA PENAMBAHAN EFFECTIVE MICROORGANISM-4
Saputra, Sapta Dwi
Firnawati, Artika Fristi
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The amount of trash continues to grow rapidly, while the sewage treatment capacity is still inadequate. The developing of alternative sewage treatment is still needed. This study aimed to deter- mine the difference of time, temperature, pH, C / N ratio and the levels of N, P, K in the compost. This study used experimental posttest design with control group. The populations were all the garbage leaves at the campus I of UMS which was 170 kg per day. For as much as 27 kg samples were taken. There were 3 groups, which were control, EM-4 and leachate group. Leachate was taken from Garbage Dump (TPA) Putri Cempo, Surakarta. Each group used 3kg of leaves and was repeated 3 times. Statistical test of this study was One Way Anova test. The results showed that there was a difference of time, temperature and pH of composting between EM-4 and the addition of leachate. On P levels there was not any significant difference of the compost between those with the addition of EM-4 and leachate, while there were significant differences of the levels of N and K. The average levels for compost with EM-4 addition were N (1.25%), P (1.44%) and K (0.97%). While average levels for com- post with leachate addition were N (1.17%), P (1.35%) and K (0.89%). The ratio of C / N of the compost with the addition of EM-4 and with the addition of leachate showed significant differences with p d” 0.01.