STUDI BIOKOMPOSTING JERAMI PADI MENGGUNAKAN ISOLAT AcP-7 ACTINOMYCETES PENDEGRADASI LIGNOSELULOSA

0617011073, YUNIARTI (2012) STUDI BIOKOMPOSTING JERAMI PADI MENGGUNAKAN ISOLAT AcP-7 ACTINOMYCETES PENDEGRADASI LIGNOSELULOSA. Digital Library.

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Abstract

Abstrak Volume limbah jerami padi di provinsi Lampung berdasarkan data BPS tahun 2008 meningkat hingga 30% yang akan menimbulkan masalah bila tidak dilakukan pengolahan. Jerami padi kaya akan kandungan lignoselulosa dengan komponen utama berupa lignin, selulosa dan hemiselulosa. Penelitian ini bertujuan untuk memanfaatkan limbah jerami padi yang melimpah untuk diolah menjadi kompos menggunakan Actinomycetes sebagai pendegradasi lignoselulosa. Dalam proses biokomposting akan dihasilkan kompos matang dengan kondisi optimum ditinjau dari beberapa faktor pengendali laju pengomposan seperti suhu menggunakan metode in situ, pH menggunakan pH meter, C-organik menggunakan metode titrasi, N-total menggunakan metode spektrofotometri UV-VIS, C/N rasio yakni perbandingan Corganik kompos dan N-total, serta analisis unsur hara produk akhir kompos meliputi kandungan P dengan metode spektrofotometri UV-VIS, K dengan metode flame fotometri, dan kandungan Ca, Fe, Mg, dan Zn menggunakan metode AAS (spektrofotometri serapan atom). Hasil penelitian menunjukkan kondisi optimum kompos diperoleh pada perlakuan 1:1:1 yakni 100 gram jerami padi : 100 gram kotoran ayam : 100 ml air tanah dengan inokulum 20% pada fermentasi minggu ke-5. Dengan suhu sebesar 29,66oC, pH sebesar 8,86, C-organik sebesar 16,00%, N-total sebesar 2,77%, dan C/N rasio sebesar 6,00. Sedangkan untuk unsur hara P sebesar 0,27%, K sebesar 0,08%, Ca sebesar 1,23%, Fe sebesar 0,198%, Mg sebesar 0,33% dan Zn sebesar 0,012%. Kata Kunci : Actinomycetes, Biokomposting, Jerami Padi Abstract Rice straws as agricultural residue available in large quantity in the province of lampung, with annualincrease reaches 30% according to the Statistical beaurcu in 2008 ( BPS, 2008 ). Rice straws is rich in lignocellulose, composed of mainly lignine, cellulose, and hemicellulose. This study aimed to treat rice straws into compost using Actinomycetes to degrade lignocellulose. The study investigated optimum conditions in terms of composting parameters such as temperature, pH, Organic carbon, total Nitrogen and C/N rasio. In addition elemental analysis were carried out to acte-mine K, Ca, Fe, Mg and Zn. The results obtained revealed that optimum composition of 1:1:1 of straws:chicken fecel:ground waters, with addition of 20% inoculum and 5 weeks fermentation periode. The compost produced was found to have temperature of 29,660C, pH of 8,86, Organic carbon of 16,00%, total Nitrogen 2,77% and C/N rasio of 6,00. Elemental analysis indicated that the compost contains P of 0,27%, K of 0,08%, Ca of 1,23%, Fe of 0,198%, Mg of 0,33% and Zn of 0,012%. Keywords : Actinomycetes, Biocomposting, Rice Straw

Item Type: Article
Subjects: A General Works = Karya Karya Umum
Divisions: FKIP > Prodi Pendidikan Kimia
Depositing User: IC-STAR . 2015
Date Deposited: 20 Nov 2015 01:52
Last Modified: 20 Nov 2015 01:52
URI: http://digilib.unila.ac.id/id/eprint/14462

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