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Urea Coating with Activated Carbon Enriched by Microbial Indigenous Can Reduce Endrin Concentration Wahyuni, Sri; Indratin, Indratin; Dewi, Widyatmani Sih; Atmanto, Heru
Proceeding Biology Education Conference: Biology, Science, Enviromental, and Learning Vol 12, No 1 (2015): Prosiding Seminar Nasional XII Biologi
Publisher : Universitas Sebelas Maret

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Abstract

Endrin residues are still remain in the  land field these compounds are no longer used by farmers and have been banned by the government. This residue can stay in the soil longer and persistant. Microbial enrichment is expected to accelerate the degradation of pesticide residues. Microbes stretcher are Bacillus substillis, Heliothrix oregonensis, Catenococcus thiocycli, and Achoromobacter sp obtained from the preliminary research results  from soil isolation of idegenus in LIPI Cibinong Microbiology Laboratory.  Soil for the planting medium obtained from the village of Karawang, Regency Cilamaya Wetan, Cilamaya District. The experiment was conducted in the field by using lysimeter at the Experiment Jakenan station from July 2013 to December 2013. The objective of the research is to obtain technology of activated carbon-coated urea and biochar which  enriched microbial indegenus. The experiment was used randomized block design (RAK) with 3 replications.  Plant used are rice. Insecticide residue analysis was carried out in the laboratory in Bogor Balingtan using gas chromatography (GC), with the SNI method 06-6991.1-2004. The purpose of this study knowing the capabilities of urea coating with activated carbon enrichment microbia in reducing the concentration of residues endrin. Results of research urea coated activated carbon from coconut shell are enriched with microbes on paddy field can lower pesticide residues of endrin respectively to 33.6%.  This is presumably due to the role of microbes degrading effective as activated carbon as the preferred home. Enrichmentwith microbial indegenuscan improve theeffectivenessof ureacoating biochar andureacoatingactivated carbon coconut shell todecrease concentration endrin.