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      Aplikasi Kayu Apu dan Eceng Gondok sebagai Fitoremediator pada Pendederan Ikan Gurami Osphronemus gouramy

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      Date
      2025
      Author
      Suminda, Rangga Aditia
      Wiyoto
      Mulya, Muhammad Arif
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      Abstract
      Peningkatan penggunaan pakan buatan menyebabkan akumulasi limbah nitrogen di perairan, yang berasal dari sisa metabolisme, feses, dan sisa pakan yang tidak termakan. Penelitian ini bertujuan untuk mengkaji aplikasi kayu apu dan eceng gondok sebagai fitoremediator pada pendederan ikan gurami. Metode penelitian menggunakan Rancangan Acak Lengkap (RAL) dengan tiga perlakuan dan tiga ulangan. Perlakuan yang diuji meliputi tanpa penambahan tumbuhan air (K), penambahan kayu apu 1,36 g/L (KA), dan penambahan eceng gondok 4,09 g/L (EG). Hasil penelitian menunjukkan, nilai TAN, nitrit, nitrat, fosfat, kekeruhan, laju pertumbuhan spesifik (LPS), pertumbuhan panjang mutlak, pertumbuhan bobot mutlak, sintasan, dan rasio konversi pakan (RKP) terbaik terdapat pada perlakuan EG sebesar 0,04±0,01 mg/L, 0,33±0,10 mg/L, 0,004±0,004 mg/L, 0,04±0,03 mg/L, 73,13±3,08 NTU, 2,44±0,52%/hari, 1,85±0,18 cm, 2,23±0,22 g, 100±0%, dan 1,22±0,11. Perlakuan EG menghasilkan kualitas air, pertumbuhan panjang mutlak, bobot mutlak, laju pertumbuhan spesifik, dan RKP yang lebih baik dibandingkan perlakuan kontrol.
       
      The increasing use of artificial feed leads to the accumulation of nitrogenous waste in aquatic environments, originating from metabolic residues, feces, and uneaten feed. This study aimed to evaluate the application of water lettuce and water hyacinth as phytoremediators in the nursery phase of giant gourami Osphronemus gouramy. The research employed a Completely Randomized Design (CRD) with three treatments and three replications. The treatments consisted of no aquatic plant addition (K), the addition of water lettuce at 1,36 g/L (KA), and the addition of water hyacinth at 4,09 g/L (EG). The results showed that the best values for TAN, nitrite, nitrate, phosphate, turbidity, specific growth rate (SGR), absolute length growth, absolute weight growth, survival rate, and feed conversion ratio (FCR) were obtained in the EG treatment, with values of 0,04±0,01 mg/L, 0,33±0,10 mg/L, 0,004±0,004 mg/L, 0,04±0,03 mg/L, 73,13±3,08 NTU, 2,44±0,52%/day, 1,85±0,18 cm, 2,23±0,22 g, 100±0%, and 1,22±0,11, respectively. The EG treatment resulted in better water quality, absolute length and weight growth, specific growth rate, and FCR than the control treatment.
       
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      http://repository.ipb.ac.id/handle/123456789/162652
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      • UT - Technology and Management of Applied Aquaculture Hatchery [175]

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