Abstract
Compost is natural fertilizer, which is organic matter that been decomposed in a process called composting. The end of result composting is an accumulation of partially decayed organic matter called humus. In this study, type of compost that have been chosen are Empty Fruit Bunch (EFB) compost, Goat Dung (GD) compost, Food Waste (FW) compost, compost using bio-decomposer (FWB), and vermicompost (VC). This study aim to identify the stability and maturity of compost that been collected and to identify the quality of compost by using Compost Quality Index (CQI). Study revealed that comparable values obtained in terms of physical properties, chemical properties, stability, maturity and phytotoxicity status. Based on this study, it reveal that EFB and FWB and stable compost while FW and VC are in matured compost. However, FWB showed better results in terms of microbial population, the highest of the values obtained for the other types of compost studied and the germination index value of this compost was higher than the other types of compost. Therefore, it can conclude that using the bio-decomposer can give more quality for compost.
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