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Jurnal Teknobiologi, 1(2) 2010: 1 - perpustakaan universitas riau

Jurnal Teknobiologi, 1(2) 2010: 1 - perpustakaan universitas riau

Jurnal Teknobiologi, 1(2) 2010: 1 - perpustakaan universitas riau

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<strong>Jurnal</strong> <strong>Teknobiologi</strong>, 1 (2) <strong>2010</strong>: 91 - 99ISSN: 208-5428PERTUMBUHAN VEGETATIF BAYAM CABUT (Amaranthus tricolor L.)DENGAN PEMUPUKAN LIMBAH CAIR KELAPA SAWIT (LCKS)Siti Fatonah, Dwijowati Asih, dan FitriJurusan Biologi, Fakultas Matematika dan Ilmu Pengetahuan AlamUniversitas Riau, PekanbaruABSTRACTThe aim of this study was to know the effect of oil palm liquid waste (OPLW) togrowth of amaranth (Amaranthus tricolor L.). This study conducted in plantation ofSimpang Baru Tampan Panam, Pekanbaru and Botany Laboratory FMIPA of RiauUniversity. This research was experimental with six level ( 0; 5; 25; 45; 65 and 85ml/L) OPLW by Copletely Random Design. Result of this study show that gift OPLWnot yet able to improve growth of amaranth, but at average numeral of growth disposedincrease in leaf number, leaf area, and weight. The result of Pb analyze in the amaranthleaves showed that Pb content is under maximum i.e. 0,4938 ppm.Keywords: Amaranthus tricolor L, growth, Oil Palm Liquid Waste (OPLW)PENDAHULUANPerkebunan kelapa sawit dipropinsi Riau menempati urutan keduaterbesar di Indonesia setelah SumatraUtara, dengan areal perkebunan yangcukup luas dan produksi tandan buahsawit (TBS) yang tinggi. Pada tahun2005, areal perkebunan mencapai1.392.232 ha, sedangkan produksi TBSmencapai 3.697.552 ton pada tahun2002 (BPS, 2003; BPS 2006).Tingginya TBS diikuti denganmeningkatnya kegiatan industripengolahan kelapa sawit. Banyaknyapengolahan TBS mengakibatkanpeningkatan limbah cair kelapa sawit(LCKS). Selama proses pengolahankelapa sawit, digunakan air sebanyak 1-1,5 ton/ton dan dihasilkan limbah cairsebesar 1-1,3 m2/ton TBS. Denganproduksi TBS sebesar 3.697.552 ton,maka akan dihasilkan limbah cairsebesar 3.697.552 – 4.806.817,6m3/tahun.Penimbunan LCKS berpengaruhterhadap kondisi air tanah danberpotensi sebagai sumber pencemar,dan menimbulkan bau tak sedap.Setelah limbah terbawa air hujansampai ke sungai akan barakibat buruk192

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