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Research Article

EEO. 2021; 20(4): 1669-1680


Effect of Sugar Addition and Reversal in Rice Straw Composting Aerobically to Compost Maturity

I Nengah Muliarta, I Wayan Suanda.


Abstract

The addition of sugar and the reversal of compost ingredients during this time are common in the hope that the composting process can take place faster. The addition of sugar is expected to increase microbial activity, while a more routine reversal is expected to meet the oxygen needs of microbes in aerobic composting. This research aims to analyze the effect of reversal and sugar addiction on the process of composting aerobic waste of rice straw. To date, there have been no studies that state that the addition of sugar to aerobic composting provides better compost maturity and quality following SNI-7763-2018 standards. To prove, research was conducted using 20 kg of rice straw with sugar doses of 0.4% and 0.8%. 2 treatments are reversals every 3 days and 6 days, with a composting time of 30 days. Each treatment was repeated 3 times, resulting in 18 trials in total. Based on the results of the study obtained C/N ratio on compost age 15 days have not been included in the category of mature compost. While the C/N ratio of compost at the age of compost of 30 days is in the range of 17.64-24.06. The results showed the C/N ratio between treatments at 30-day compost was no different (p>0.05). This means that the addition of sugar and more regular reversal frequencies are not required in aerobic composting of rice straw.

Key words: Added sugar, Reversal, Aerobic composting. Rice Straw, Compost Maturity






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