Pengaruh Lama Pengomposan Terhadap Sifat Kimia Kompos Tandan Kosong Kelapa Sawit Dengan Inokulum Trichoderma, Azobacter, dan Limbah Cair Pabrik Kelapa Sawit

Oil Palm Empty Fruit Bunches (OPEFB) have only been used as organic fertilizer by placing it between plants without prior treatment, a result, the decomposition process of OPEFB takes long time and produces toxic ammonia. The composting with variations in decomposer is solution utilizing compost best quality. purpose this study was to analyze effect Trichoderma sp, Azotobacter, Mill Effluent (POME) inoculums on quality compost. structured using 2-factor Randomized Block Design, which repeated 3 times. first factor variation decomposers (Trichoderma POME) second 20 days, 40 days 60 days. observed parameters including temperature, pH, levels N, P, K, C, C/N. data were statistically analyzed Analysis Variance (ANOVA) then further tested Least Significant Differences (LSD) test 95% confidence level if significant occured. treatment gave P K had temperature 27.33 – 29.33°C, highest N content 0.7162%, 0.2222% - 0.8423%, 0.3953% 0.9043% C 20.19% 25.66% accordance SNI 19-7030-2004 regarding value C/N ratio products produced from all 29.86 98.66 so that did not meet maturity standard 10 20. production can be done longer than study, order increase value. Keywords: Compost; Composting time; Decomposers;