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Organic Fertilizer From Organic Waste City

Waste discharge in Jakarta reaches 8500 tons per day. The biggest percentage of the amount of waste is organic waste with the potential to be developed as a fertilizer. To support the utilization of waste Jakarta BPTP has conducted various studies. The results of studies in these areas that stand out include methods of composting, solid organic fertilizer formula in the form of pellets and granules with the brand "HPS Granular / Pellet HPS ', liquid organic fertilizer" HPS-1 "(hope Farmer Prosperity).

Organic waste composting technology market that has proven most suitable for the type of garbage (very high water content) is through the drainage system settings through the slope of the field of composting amounted to 15o, and the production of leachate disposal grooves on the slope of the field of parallel planes; aeration system settings using bamboo or paralon are perforated on the sides and planted in compost piles, as well as treatment using microbial inoculation eksogenous. Chemical characteristics of compost produced, of which 13% organic C, total N 3.53%, 0.53% P-total, K-total 4.44%, 5.80% Ca, Mg 1.34%, C / N ratio of 10 after 14 days of composting time.

Composition of solid organic fertilizer formula in the form of pellets and granules made from raw municipal waste compost (HPS Fertilizer Granular / Pellet HPS) who developed consists of flour urban waste compost 75% (w / w), Rock Phosphate 10% (w / w), Husk Charcoal 10% (w / w), Zeolite 5% (w / w), as well as mixed culture ppenambat N phosphate-free and solvent with a density of at least 106 sel.g fertilizer-1 material. HPS-1 fertilizer formulations include waste vegetable and fruit extract 70% (v / v) and Molasses 30% (v / v) anaerobically fermented for 14 days using a mixed culture of Lactobacillus sp. Results of fermentation of 80% (v / v) enriched fermented rock phosphate 20% (v / v) and solvent mixed culture of phosphate (Pseudomonas sp.) And N-free fastening (Azozpirilium sp.), Each with a density of 106-109 sel.ml-1.

In some vegetable crops (eggplant, long beans, cabbage, lettuce, spinach, and kale and sweet corn) fertilizer granules HPS, HPS pellets, as well as HPS-1 (liquid) has a value nisbih agronomic effectiveness (RAE) in the range 60-87% compared with chemical fertilizer NPK (Farmer Technology). Based on the RAE, the fertilizer HPS are generally feasible for use as an alternative fertilizer chemical fertilizer in organic farming systems without fertilizer minerals / chemicals or can also be combined with chemical fertilizer in order to improve the effectiveness and efficiency of chemical fertilizers in conventional farming systems.

Manufacture of fertilizer from waste technology has been disseminated to all areas in Jakarta, both through the forum which was facilitated by the Office of Maritime Affairs and Agriculture and the Jakarta Provincial Office of Agriculture in five areas of the city, and through the media and dissemination activities BPTP Jakarta (print, audio Visually, the title and retrieval technology, as well as regular meetings with Farmers Group and Farmers Group Combined). To date, fertilizer from waste composting technology has been adopted by the city of Farmers Group Adenium Jaya, Jagakarsa, South Jakarta. Meanwhile, the technology of liquid fertilizer (HPS-1) has been adopted by Farmers Group Nusa Indah, South Jakarta. Application of solid organic fertilizer and liquid is being initiated to be implemented in Primatara Farmers Group and Farmers Group in the Region Mampang Prapatan, South Jakarta. In addition, there were several community groups and farmer groups have traced further develop information technology in order followed up in the application in the field.