<![CDATA[Composting is an alternativemeanto increase the usefulness and added value of organic waste. The purpose of this study was to determine the effect of adding cow dungand banana stem. This study expected to obtain the best composition of the mixture of ingredients from the use of banana stalks and cow dung according to the Indonesian National Standard (SNI) 19-7030-20014. The materials used in this study were banana stalks and cow dung with a ratio of banana stalks to cow dung, namely: K1 (1: 1), K2 (2: 1), K3 (3: 1), K.BP (only banana stalks). ). The composting process in this study used Biocomposter Tahiron New Garden Bag 2. In the composting process the temperature was observed every day, while the moisture content of C-organic, nitrogen, C / N ratio and pH were observed once every 14 days. The temperatures in the K1, K2, K3 and K.BP treatments were respectively 43.6 oC, 44.3 oC, 43.6 oC and 38.6 oC. Temperature, pH, and moisture content parameters did not show significant differences between treatments, while the C / N ratio in the comparison between KBP and K1 (1: 1), K2 (2: 1), and K3 (3: 1) showed differences. K2 treatment showed the best mixture composition with the composting temperature approaching thermophilic, namely 44.3oC. The C / N ratio of all treatments did not meet SNI 19/7030/2004, while pH, moisture content, organic matterwithin the range as regulated in the standard]]>
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