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PUSAT PENELITIAN DAN PENGABDIAN PADA MASYARAKAT POLITEKNIK PERTANIAN NEGERI KUPANG JL. PROF. DR. HERMAN YOHANES KEL. LASIANA, P.O. BOX 1152, KUPANG 85011 TELP. (0380) 881600, FAKS. (0380) 881601
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Published by Politeknik Pertanian Negeri Kupang
ISSN : 08526877     EISSN : 25273981     DOI : 10.35726/jp
Core Subject : Health, Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Social Sciences Veterinary
Jurnal Pertanian Terapan PARTNER menerima artikel hasil-hasil penelitian dalam bidang pertanian terapan maupun critical reviews yang berhubungan dengan: Produksi Ternak Nutrisi dan Pakan Ternak Teknologi Pakan Ternak Kesehatan Hewan Sosial Ekonomi Pertanian/ Peternakan Agronomi Perlindungan Tanaman Ilmu Tanah Kehutanan Teknologi Hasil Pertanian Desain atau Rancang Bangun Model Pertanian berbasis Pertanian Lahan Kering Namun demikian, jurnal ini lebih difokuskan pada penelitian-penelitian dalam rangka pengembangan pertanian lahan kering.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 392 Documents
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ANALISIS USAHA DAN STRATEGI PENGEMBANGAN AGRIBISNIS CABAI RAWIT DI DESA BESMARAK – KABUPATEN KUPANG Medah, Melgiana Sufia; Fallo, Ferdy A. I.; Sinlae, Dina V.
Partner Vol 29, No 1 (2024): Edisi Juli 2024
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v29i1.7172

Abstract

ABSTRAKTujuan penelitian adalah untuk menganalisis kelayakan usaha dan mengidentifikasi strategi pengembangan agribisnis cabai rawit di Desa Besmarak. metode yang digunakan adalah metode deskriptif kuantitatif dengan responden 15 orang petani cabai, rata-rata luas lahan 0,30. Hasil penelitian berdasarkan analisis kelayakan agribisnis cabai memiliki nilai R/C sebesar 2,3, artinya untuk setiap pengeluaran biaya sebesar Rp. 1,00, petani memperoleh penerimaan sebesar Rp. 2,3, dan keuntungan sebesar Rp. 1,3, yang pada kriteria > 1, maka layak untuk dijalankan. Melalui analisis B/C ratio diperoleh nilai 1,30 yang berarti > 0, sehingga layak untuk dijalankan dengan memberikan keuntungan secara ekonomi bagi agribisnis cabai. Strategi pengembangan agribisnis cabai berada pada kuadran III, dimana perlu dicari strategi yang tepat untuk mengatasi kelemahan-kelemahan yang dimiliki oleh petani.Kata kunci: cabai rawit, kelayakan usaha, strategi pengembanganABSTRACTThe objectives of the study were to analyze the feasibility of the business and identify strategies for the development of cayenne pepper agribusiness in Besmarak Village. make itu fluent quantitative descriptive method with respondents 15 chili farmers, average land area 0.30. The results of the study based on the analysis of the feasibility of chilli agribusiness have an R/C value of 2.3, meaning that for every cost expenditure of Rp. 1.00, farmers get a revenue of Rp. 2,3, and a profit of Rp. 1.3, which, on the criteria > 1, is feasible to run. Through the B/C ratio analysis, 1,30 was obtained as a value > 0, so it is feasible to run by providing economic benefits for the chili pepper agribusiness. The development strategy of the chili pepper agribusiness is in quadrant III, where it is necessary to find the right strategy to overcome the weaknesses possessed by farmers.Keywords: chili pepper, business feasibility, development strategy
PERBANDINGAN EFEKTIFITAS BAHAN AKTIF HEKSAKONAZOL DENGAN BEBERAPA MEREK DAGANG TERHADAP PENYAKIT PADA TANAMAN BELUM MENGHASILKAN TANAMAN KARET DI BINTANG TERANG ESTATE Rosid, Ilham Hasbaini; Harahap, Nasrul; Permadi, Pepep
Partner Vol 29, No 1 (2024): Edisi Juli 2024
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v29i1.7253

Abstract

ABSTRACTBudidaya tanaman karet di Indonesia memiliki tantangan terhadap serangan penyakit gugur daun yang disebabkan oleh Oidium sp, Collectrotricum sp, Cornespora sp dan Pestalotiopsis sp.  Pengcegahan serangan penyakit sangat diperlukan agar bisa menekan kerugian diakibatkan penyakit.  Penelitian bertujuan untuk menguji efektifitas heksakonazole dari beberapa merek terhadap penyakit tanaman karet belum menghasilkan.  Hasil pengamatan diuji dengan mengunakan anova.  Hasil menunjukan tidak ada perbedaan antara dua merek dagang yang berbahan aktif heksakonazole dalam pengendalian penyakit pada tanaman karetKata kunci: Heksakonazole, karet, fungi ABSTRACTRubber cultivation in Indonesia is challenged by leaf fall disease caused by Oidium sp, Collectrotricum sp, Cornespora sp, and Pestalotiopsis sp. Preventing disease attacks is very necessary to reduce losses caused by disease. The research aims to test the effectiveness of hexaconazole from several brands against diseases of immature rubber plants. The observation results were tested using ANOVA. The results show that there is no difference between the two trademarks which contain the active ingredient hexaconazole in controlling disease in rubber plantsKeywords: Hexaconazole, rubber, fungus
USAHA PENINGKATAN PERTUMBUHAN DAN HASIL TANAMAN KUBIS BUNGA (Brassica oleraceae Var. botrytis L.) DATARAN TINGGI DENGAN APLIKASI GIBERELIN DAN PUPUK GUANO Tarigan, Ivo Ignasius; Rusmaini, Umi Kusumastuti; Syah, Ryan Firman
Partner Vol 29, No 1 (2024): Edisi Juli 2024
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v29i1.7175

Abstract

ABSTRAKPenelitian ini bertujuan untuk mengetahui respon pertumbuhan dan hasil kembang kol terhadap volume giberelin dan dosis pupuk guano. Penelitian ini menggunakan metode penelitian Rancangan Acak Lengkap (RAL) dengan 2 faktor. Faktor pertama adalah volume giberelin dengan 4 taraf yaitu: 0 ml/L, 100 ml/L, 125 ml/L, 150 ml/L. Faktor kedua adalah dosis pupuk guano dengan 4 taraf yaitu 0 g, 40 g, 60 g, 80 g. Hasil penelitian menunjukkan bahwa tidak ada interaksi keduanya untuk setiap parameter. Perlakuan volume giberelin tidak berbeda nyata pada semua parameter, sedangkan perlakuan pupuk guano berbeda nyata pada parameter jumlah daun, berat bunga, berat segar tajuk, berat segar tanaman dan berat kering tanaman. Pemberian pupuk guano sebanyak 40 g sudah cukup untuk menghasilkan berat bunga terbaik.Kata kunci : Volume giberelin, dosis pupuk guano, kembang kolABSTRACTThis research was to determine the response of growth and yield of cauliflower to gibberellin volume and guano fertilizer dose. This study used a completely randomized design/2 factor CRD research method. The first factor was gibberellin volume with 4 levels: 0 ml/L, 100 ml/L, 125 ml/L, 150 ml/L. The second factor was the dose of guano fertilizer with 4 levels: 0 g, 40 g, 60 g, 80 g. The results showed that there was no interaction both of them for each parameter. The volume of gibberellins was not different treatment on all parameters, while guano fertilizer treatment was a significant different one on the parameters of the number of leaves, flower weight, crown fresh weight, plant fresh weight and plant dry weight. Giving 40 g guano fertilizer was enough to give the best weight flower. Keywords : Gibberellin volume, guano fertilizer dosage, cauliflower
BOBOT AKHIR DAN KARAKTERISTIK KARKAS AYAM LOKAL PEDAGING YANG DIBERI ARANG BAMBU AKTIF PADA EKSRETA Mahardika, Cokorda B. D. P.; Luik, Renfred; Pello, Wely Y.; Tang, Basry Y.; Swari, Wahyu Dani; Nenomnanu, Yohan
Partner Vol 29, No 1 (2024): Edisi Juli 2024
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v29i1.7254

Abstract

ABSTRAKUpaya mengurangi volatilitas amonia pada peternakan ayam adalah dengan menggunakan bahan alternatif sebagai adsorben yang ditambahkan ke bahan alas. Penelitian ini bertujuan untuk mengetahui pengaruh penambahan arang aktif bambu pada ekskreta terhadap bobot badan dan karakteristik karkas ayam lokal. Rancangan percobaan yang digunakan adalah rancangan acak lengkap dengan empat perlakuan dan tiga ulangan. P1 = Tanpa penambahan arang aktif bambu (AAB) pada ekskreta; P2 = penambahan 2% AAB pada ekskreta; P3 = penambahan 5% AAB pada ekskreta; P4 = penambahan 10% AAB pada ekskreta. Arang bambu diaktifkan dengan NaCl 20% selama 24 jam. Hasil penelitian menyimpulkan bahwa penambahan arang aktif bambu sebesar 5-10% pada ekskreta berdampak signifikan terhadap bobot badan ayam lokal. Namun, penambahan hingga 10% arang aktif bambu pada ekskreta tidak berpengaruh signifikan terhadap bobot dan persentase karkas, serta bobot relatif proventrikulus, ventrikulus, duodenum, ileum, sekum, dan bursa fabricius.Kata kunci: Adsorben, bambu, arang, ekskreta ABSTRACTEfforts to reduce ammonia volatile in poultry house by using alternative materials that can serve as adsorbents added to the litter material. This study aims to determine the effect of adding bamboo activated charcoal to excreta on the body weight and carcass characteristics of local chickens. The experimental design employed a completely randomized design. P1 = Without addition of bamboo activated charcoal (BAC) to excreta; P2 = addition of 2% BAC; P3 = addition of 5% BAC; P4 = addition of 10% BAC. The research findings concluded that adding bamboo activated charcoal at 5-10% to excreta had a significant impact on the body weight of local chickens. However, the addition of up to 10% bamboo activated charcoal to excreta did not significantly affect the weight and percentage of carcasses, as well as the relative weight of the proventriculus, ventriculus, duodenum, ileum, cecum, and bursa fabricius.Key words:  Adsorbents, bamboo, charcoal, excreta
KARAKTER MORFOLOGI BERBAGAI GENOTIP KEDELAI TERHADAP CEKAMAN KEKERINGAN Fatichin, Fatichin; Octafila, Anis; Hidayat, Ponendi
Partner Vol 29, No 1 (2024): Edisi Juli 2024
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v29i1.7198

Abstract

ABSTRAKCekaman kekeringan merupakan kondisi kadar air terbatas yang mengganggu pertumbuhan kedelai. Penelitian bertujuan mengetahui respon morfologi kedelai terhadap kekeringan, menentukan kriteria seleksi serta mendapatkan genotip toleran kekeringan. Penelitian dilaksanakan di rumah kasa Fakultas Pertanian Universitas Jenderal Soedirman. Penelitian menggunakan Rancangan Acak Kelompok dua faktor dengan tiga ulangan. Faktor pertama yaitu sebelas genotip kedelai (Sembilan galur dan dua varietas). Faktor kedua berupa kekeringan dengan tiga taraf kapasitas lapang (KL); 90% KL, 60% KL, dan 30% KL. Hasil penelitian menunjukkan karakter morfologi yang menunjang toleransi terhadap kekeringan adalah jumlah cabang, jumlah buku utama, buku total, polong isi, polong total, biji utuh, jumlah biji per tanaman, bobot kering tajuk, dan bobot biji utuh. Kriteria seleksi yang efektif adalah produktivitas rata-rata, produktivitas rata-rata geometri, dan indeks toleransi cekaman. Genotip yang toleran adalah G3, G4 dan Slamet.Kata kunci: karakter morfologi, toleransi, kedelai, cekaman kekeringan  ABSTRACTDrought stress is a soil water content at minimum conditions disturb soybean growth. The research objectives are to describe morphological responses under drought condition, determine effective selection criteria and select tolerant genotypes. The experiment was conducted at screen house of Agriculture Faculty of Jenderal Soedirman University. The experimental design was a randomized completely block design with two factors and three replications. First factor was eleven soybean genotypes (nine lines and two varieties). Second factor was three levels of drought stress; 90% KL, 60% KL, and 30% KL. The results show morphological characters that support drought tolerance are branch number, major node, total node, fertile pod, total pod, fertile seed number, root dry weight, shoot dry weight, and whole grain weight. The effective selection criteria are Mean Productivity, Geometric Mean Productivity, and Stress Tolerance Index. Tolerant genotypes are line G3, G4, and Slamet. Keywords: morphological characters, tolerance, soybean, drought stress
FAKTOR-FAKTOR SOSIAL EKONOMI YANG MEMPENGARUHI KEPUTUSAN PETANI MELAKUKAN USAHATANI CABAI MERAH DI DESA KAMOT KECAMATAN ALOR TIMUR LAUT KABUPATEN ALOR Latuan, Emirensiana; Maure, Gerson H.; Timung, Andri P.; Tanakeng, Suhartina
Partner Vol 29, No 1 (2024): Edisi Juli 2024
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v29i1.7258

Abstract

ABSTRAK Penelitian ini dilakukan di Desa Kamot Kecamatan Alor Timur Laut pada bulan Mei-Juni 2022. Penelitian ini bertujuan untuk mengetahui pengaruh factor-faktor secara simultan dan parsial terhadap keputusan petani untuk melakukan usahatani cabai merah di Desa Kamot. Kabupaten Alor Timur Laut. Data dianalisis menggunakan analisis regresi berganda, uji parsial (uji t), dan uji simultan (uji f). Uji F menunjukkan bahwa variabel independen mempunyai pengaruh yang signifikan terhadap keputusan petani (Y). Uji t menunjukkan bahwa variabel : Usia, pengalaman dan dukungan keluarga berpengaruh positif dan tidak signifikan terhadap keputusan petani dalam melaksanakan usahatani cabai merah di Desa Kamot Kecamatan Alor Timur Laut. Sedangkan variabel Pendapatan, Pendidikan dan Luas Lahan berpengaruh positif dan signifikan terhadap keputusan petani dalam melaksanakan usahatani cabai merah di Desa Kamot Kecamatan Alor Timur Laut. Kata kunci : Sosial, ekonomi, cabai merah, Desa KamotABSTRACTThis research was conducted in Kamot Village, North East Alor District in May-June 2022. This research aims to determine the influence of income, age, education level, number of dependents, experience and land area simultaneously and partially on farmers' decisions to carry out red chili farming in Kamot Village. Northeast Alor District. Data were analyzed using multiple regression analysis, partial test (t test), and simultaneous test (f test). The F test shows that the independent variable has a significant influence on farmer decisions (Y). The t test shows that the variables: Age, experience and family support have a positive and insignificant effect on farmers' decisions in carrying out red chili farming in Kamot Village, North East Alor District. Meanwhile, the variables Income, Education and Land Area have a positive and significant effect on farmers' decisions in carrying out red chili farming in Kamot Village, North East Alor District.Key words: Social, economic, red chili, Kamot Village 
SABUN MANDI PADAT DARI SUSU KAMBING DENGAN KOMBINASI DAUN MIMBA (Azadirachta indica A. Juss) DITINJAU DARI KARAKTERISTIK FISIK DAN KIMIA Malawati, Ima; Anugrah, Dedet Septian Raha; Canadianti, Monica
Partner Vol 29, No 1 (2024): Edisi Juli 2024
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v29i1.7208

Abstract

ABSTRAKSabun susu kambing merupakan salah satu produk diversifikasi hasil ternak yang menggunakan susu segar sebagai bahan pembuatan sabun. Susu kambing bermanfaat untuk menghaluskan kulit, melembabkan kulit, dan mencerahkan kulit. Penambahan daun mimba (Azadirachta indica A. juss) sebagai salah satu bahan sabun berpotensi meningkatkan manfaat susu, karena mengandung zat aktif yang bersifat antimikroba. Pada penelitian ini dibuat sabun mandi padat berbahan dasar susu kambing yang dikombinasikan dengan daun mimba. Penelitian ini bertujuan untuk menguji sifat fisik dan kimia sabun susu kambing kombinasi daun mimba dengan tiga perlakuan dan tiga kali ulangan yaitu penambahan 20 gram, 25 gram daun mimba dan sabun tanpa penambahan daun mimba sebagai kontrol. Hasil uji sifat fisik dan kimia sabun susu pada penelitian ini telah memenuhi syarat mutu Standar Nasional Indonesia (SNI).Kata kunci: Susu Kambing, Sabun Susu, Daun Mimba, SNI ABSTRACT Goat milk soap is one of the diversified livestock products using fresh milk as an ingredient in making soap. Goat's milk is useful for smoothing the skin, moisturizing the skin, and brightening the skin. The addition of neem leaves (Azadirachta indica A. juss), as one of soap ingredients, potentially increases the benefits of the milk, since it has active substances acting as antimicrobials. In this research, a solid bath soap was made from goat's milk combined with neem leaves. This research aimed to test the physical and chemical characteristics of goat's milk soap with a combination of neem leaves with three treatments and three repetitions, namely the addition of 20 grams, 25 grams of neem leaves and soap without the addition of neem leaves as a control. The physical and chemical characteristic test results of this research have met the Standar Nasional Indonesia (SNI). Keywords: Goat Milk, Milk Soap, Neem Leaves, SNI
IDENTIFIKASI DAN PENGARUH LINGKUNGAN TERHADAP PERTUMBUHAN CENDAWAN SERTA UJI ORGANOLEPTIK BIJI KAKAO (Theobroma cacao L.) FERMENTASI DAN NON FERMENTASI Fauziah, Fauziah; Wahyuni, Sri
Partner Vol 29, No 1 (2024): Edisi Juli 2024
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v29i1.7261

Abstract

ABSTRAKCendawan pathogen dapat menginfeksi produk pasca panen termasuk pada biji kakao yang difermentasi dan non fermentasi. Penelitian ini bertujuan untuk mengetahui jenis-jenis cendawan dan pengaruh lingkungan khususnya suhu saat proses pasca panen serta pembuktian perbedaan cita rasa pada biji kakao fermentasi dan non fermentasi. Penelitian ini menggunakan penelitian kualitatif dengan metode pendekatan deskriptif. Variabel yang diamati adalah jenis cendawan, suhu penyimpanan, suhu biji, kadar air dan organoleptik. Data dianalisis secara deskriptif berdasarkan hasil pengamatan. Hasilnya ditemukan terdapat empat genus cendawan yang menginfeksi biji kakao fermentasi dan non fermentasi ialah aspergillus sp, penicillium sp, mucor sp, dan rhizopus sp. Dari hasil pengukuran suhu penyimpanan, suhu biiji dan kadar air masing-masing memperoleh rata-rata fermentasi sebesar 29.6°C, 37°C dan 7.14%, sedangkan non fermentasi 28.74°C, 30.28°C and 13 .28%. Aroma kakao yang dihasilkan berupa aroma buah (pisang dan nanas), ragi dan keasaman.Kata kunci: Biji kakao, Cendawan,Fermentasi, Organoleptik ABSTRACT Pathogenic fungi can infect post-harvest products including fermented and non-fermented cocoa beans. This study aims to determine the types of fungi and the influence of the environment, especially temperature during the post-harvest process as well as to prove the difference in taste between fermented and non-fermented cocoa beans. This study used qualitative research with descriptive approach method. Variables observed were types of fungi, storage temperature, bean temperature, moisture content and organoleptic. Data were analyzed descriptively based on the observation results. The results showed that there were four genus of fungi that infected fermented and non-fermented cocoa beans, namely Aspergillus sp, Penicillium sp, Mucor sp, and Rhizopus sp. From the measurement of storage temperature, bean temperature and water content, each obtained an average fermentation of 29.6°C, 37°C and 7.14%, while non-fermentation was 28.74°C, 30.28°C and 13.28%. The aroma of cocoa produced in the form of fruit aroma (banana and pineapple), yeast and acidity.Key words: Cocoa beans, Fermentation, Fungi, Organoleptic 
PERSENTASE BOBOT BAGIAN SALURAN PENCERNAAN TERNAK AYAM KAMPUNG UNGGUL BALITNAK (KUB) SISTEM FREE RANGE PADA PADANG PENGGEMBALAAN INTRODUKSI CLITORIA TERNATEA Helda, Helda; Koten, Bernadetta B.; Kolloh, Ruben
Partner Vol 29, No 1 (2024): Edisi Juli 2024
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v29i1.7156

Abstract

ABSTRACTThe objective of this research was to evaluate the percentage of the digestive tract components in KUB chickens reared in a Free-Range system on Clitoria ternatea pastures. This study was conducted at Afro Farm from September to November 2022. The research materials consisted of 70 eight-week-old female KUB chickens with body weights ranging from 300 to 400 grams each. The self-mixed feed had nutritional content with a Metabolic Energy of 2,949.04 Kcal/kg, crude protein of 17.11%, crude fat of 4.94%, crude fiber of 4.95%, calcium of 1.07%, phosphorus of 0.92%, methionine of 0.47%, lysine of 0.91%, and Clitoria ternatea pasture. The experimental design used was a Completely Randomized Design (CRD) with 2 treatments and 7 replications, where R0 represented intensive KUB chicken husbandry and R1 represented Free-Range KUB chicken husbandry, followed by a t-test. The results of the research showed that Free-Range husbandry significantly affected (P<0.05) the percentage of digestive tract components compared to intensive husbandry. The t-test results, except for the percentage of Gizzard weight (1.69<2.17), showed differences between the Free-Range and intensive systems, with the percentage of Proventriculus weight (5.51>2.17), Small Intestine (5.50>2.17), and Cecum (4.13>2.17) being higher in the Free-Range system. The results indicate that the Free-Range husbandry system on Clitoria ternatea pastures can be an alternative for KUB chicken rearing because it has a positive impact on the percentage of KUB chicken digestive tract component weights, except for the gizzard, which showed no difference. Based on this research, it can be concluded that the Free-Range system on Clitoria ternatea pastures can be considered as an alternative husbandry method for KUB chickens due to its positive effect on the percentage of KUB chicken digestive tract component weights.Keywords: Percentage of digestive tract component weight, KUB chicken, Free-Range, Clitoria ternatea.  
PEMURNIAN MINYAK JELANTAH MENGGUNAKAN BIOSORBEN KOMBINASI DAUN TREMBESI (Samanea saman) DAN MENDONG (Fimbristylis globulosa) Intani, Erin Tya; Faizin, Indra Muhammad; Mulyani, Zeni Kurnia; Bimantio, Mohammad Prasanto
Partner Vol 29, No 1 (2024): Edisi Juli 2024
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v29i1.7249

Abstract

ABSTRAKDaun trembesi (Samanea saman) dan tanaman mendong (Fimbristylis globulosa) merupakan tanaman yang belum banyak dimanfaatkan. Penelitian ini merupakan inovasi pembuatan biosorben yang menggunakan bahan tersebut. Metode penelitian ini menerapkan Rancangan Blok Acak Lengkap (RBAL) dengan dua faktor, yaitu rasio daun trembesi dan tanaman mendong (A) (A1 = 40:60 %w/w; A2 = 50:50 %w/w; A3 = 60:40 %w/w) dan variasi konsentrasi larutan KOH (B) (B1 = 2N; B2 = 3N; B3 = 4N) dengan dua kali pengulangan, sehingga dihasilkan 18 sampel. Biosorben yang dihasilkan diaplikasikan pada minyak jelantah untuk mengurangi kadar asam lemak bebas  (ALB) dengan proses adsorpsi selama 24 jam. Sampel biosorben kemudian diuji pula analisis kadar air dan daya jerap iodin. Pada minyak setelah adsorpsi, dilakukan pengujian ALB dan bilangan peroksida. Sampel biosorben terbaik pada sampel A3B3, dengan kadar air sebesar 10,12%, daya jerap iodin 42,62 mg/g, ALB 0,29%, dan bilangan peroksida 0,7043 mekO2/kg. Hasil penelitian memberikan kontribusi dalam pengembangan potensi daun trembesi dan tanaman mendong sebagai bahan baku biosorben untuk pengolahan minyak jelantah. Kata kunci: biosorben, daun trembesi, tanaman mendong, minyak jelantah ABSTRACT The leaves of Samanea saman (trembesi) and the plant Fimbristylis globulosa (mendong) are underutilized. This research innovates by creating biosorbents from these materials. Using a Completely Randomized Block Design (CRBD), the study examined two factors: the ratio of trembesi leaves to mendong (A) (A1 = 40:60, A2 = 50:50, A3 = 60:40 %w/w) and KOH solution concentrations (B) (B1 = 2N, B2 = 3N, B3 = 4N), with two repetitions, yielding 18 samples. The biosorbents were tested on used cooking oil to reduce free fatty acid (FFA) content over 24 hours. Samples were analyzed for moisture content, iodine adsorption capacity, FFA, and peroxide values. The best sample, A3B3, had a moisture content of 10.12%, iodine adsorption capacity of 42.62 mg/g, FFA of 0.29%, and a peroxide value of 0.7043 meqO2/kg. This study highlights the potential of trembesi leaves and mendong as biosorbent materials for treating used cooking oil. Keywords: biosorbent, trembesi leaves, mendong plant, used cooking oil

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