Optimalisasi Waktu Pengomposan dan Kualitas Pupuk Kandang dari Kotoran Kambing dan Debu Sabut Kelapa dengan Bioaktivator PROMI dan Orgadec

Abstract

Animal manures can be used as organic fertilizer because the high nutrient content such as nitrogen (N), phosphorus (P), and potassium (K). The nutrients are needed by plants and soil for fertility. One of the animal manures
that can be used for organic fertilizer is goat manure. Goat manure is used as organic fertilizer it contains relatively more balanced nutrients than other natural fertilizer. In addition, the goat manure is mixed with the goat urine that also
contains high nutrients. Coconut coir dust contains high potassium so that the addition of coconut coir dust in organic fertilizer will increase the potassium content (K) in organic fertilizer. The purpose of this research was to find out the
influence of effective Orgadec and PROMI bioactivators on the optimal time of composting and the quality of the organic fertilizer. The organic fertilizer was analyzed to determine the content of N, P, K, organic-C, C/N ratio, water
content, and pH. The result of analysis is compared with SNI 19-7030-2004. Organic fertilizer analysis was conducted on day 0, 10, 20, 30, 40, and 50. The result of the organic fertilizer analysis with Orgadec bio-activator more effective
and faster on the decomposition organic matter in the compost compared PROMI (<20 days). The quality of organic fertilizer with Orgadec bioactivator on day 10 and 20, while organic fertilizer with PROMI on day 20, 30, 40, and 50
days was in accordance with the quality stated in SNI 19-7030-2004 (C/N ratio, levels of N, P, K, water, and organic-C).