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IDENTIFIKASI JENIS KERUSAKAN DAN TINGKAT KERUSAKAN BIBIT MERBAU (Intsia bijuga) AKIBAT SERANGAN HAMA DI PERSEMAIAN PERMANEN FATUKOA Kasianus Priski Mbelo; Astin Elise Mau; Frank Samelino Tita; Fadlan Pramatana
IKRA-ITH ABDIMAS Vol. 10 No. 2 (2026): IKRAITH-ABDIMAS Vol 10 No 2 Juli 2026
Publisher : Universitas Persada Indonesia YAI

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Abstract

Bibit merbau (Intsia bijuga) memiliki peran strategis dalam keberhasilan programreboisasi dan rehabilitasi lahan kritis di Nusa Tenggara Timur. Namun, fase pembibitandi persemaian sering kali menghadapi kendala serangan organisme pengganggu tanaman(OPT) seperti hama yang dapat menurunkan mutu fisik dan fisiologis bibit. Penelitian inibertujuan mengidentifikasi jenis dan tingkat kerusakan (intensitas dan luas serangan)akibat serangan hama pada 954 bibit merbau (Intsia bijuga) berumur 7 bulan diPersemaian Permanen Fatukoa, Kota Kupang. Data diambil secara sensus (total sampling)dengan mengamati gejala kerusakan fisik, jenis hama, serta menghitung tingkat kerusakanmenggunakan rumus Natawigena. Hasil penelitian menunjukkan terdapat 6 jeniskerusakan pada bibit merbau, yaitu: bercak daun (194 bibit), daun robek/berlubang (189bibit), daun menguning/klorosis (87 bibit), daun keriting/menggulung (32 bibit), rusakbatang (23 bibit), dan mati pucuk (14 bibit). Hasil analisis kuantitatif menunjukkan bahwanilai intensitas serangan hama secara keseluruhan adalah sebesar 22,25%, yangdikategorikan sebagai rusak ringan. Analisis luas serangan (LS) pada setiap jeniskerusakan juga berada dalam kategori ringan, dengan persentase tertinggi pada gejalabercak daun (20,34%) dan daun robek (19,81%), sedangkan luas serangan terendahditemukan pada gejala mati pucuk (1,47%).Kata Kunci: Bibit Merbau, Jenis Kerusakan, Hama, Intensitas Serangan, Luas Serangan, Persemaian Fatukoa.
POTENSI PENYIMPANAN KARBON TANAH PADA KAWASAN HUTAN DENGAN TUJUAN KHUSUS OELSONBAI KUPANG Mariani Unang; Lusia S. Marimpan; Astin E. Mau; Fadlan Pramatana
IKRA-ITH ABDIMAS Vol. 10 No. 2 (2026): IKRAITH-ABDIMAS Vol 10 No 2 Juli 2026
Publisher : Universitas Persada Indonesia YAI

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Abstract

Perubahan iklim akibat peningkatan gas rumah kaca mendorong upaya mitigasi melalui peningkatan cadangan karbon hutan, sehingga penelitian ini bertujuan untuk menentukan potensi penyimpanan karbon tanah di KHDTK Oelsonbai Kupang. Penelitian dilakukan pada kawasan seluas 20,25 ha menggunakan metode purposive sampling berdasarkan kerapatan tajuk vegetasi (analisis NDVI) dengan intensitas 10% (50 plot) pada tiga kedalaman (0-10 cm, 10-20 cm, dan 20-30 cm). Parameter yang dianalisis meliputi bulk density dan kandungan karbon organik menggunakan metode pengabuan kering (Loss On Ignition/LOI). Hasil penelitian menunjukkan bahwa pada vegetasi rapat, nilai bulk density sebesar 1,38 g/cm3, C-Organik 1,81%, dan simpanan karbon tanah 24,58 ton/ha. Pada vegetasi sedang, nilai bulk density sebesar 1,26 g/cm3, kandungan C-Organik 1,14%, dan simpanan karbon tanah 13,86 ton/ha. Sementara itu, pada vegetasi jarang, nilai bulk density sebesar 1,57 g/cm3, kandungan C-Organik 0,73%, dan simpanan karbon tanah 11,26 ton/ha. Secara keseluruhan, total simpanan karbon tanah di KHDTK Oelsonbai Kupang mencapai 453,53 ton. Kata Kunci: Karbon Tanah, C-Organik, Bulk Density, KHDTK Oelsonbai
EMPOWERING COASTAL COMMUNITIES THROUGH BOKASHI FERTILIZER PRODUCTION AND APPLICATION IN MATA AIR VILLAGE KUPANG REGENCY Fadlan Pramatana; Yusratul Aini; Puspa Sari; Bertila Avila Delvion; Rizki Amalia Adinda Putri
Mitra Mahajana: Jurnal Pengabdian Masyarakat Vol. 7 No. 3 (2026): Volume 7 Nomor 3 Tahun 2026
Publisher : LPPM Universitas Flores

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/mahajana.v7i3.8768

Abstract

Limited agricultural land and underutilized organic materials remain important challenges for coastal communities in dryland areas. This community service program aimed to strengthen community capacity through the production and application of bokashi fertilizer in Mata Air Village, Kupang Regency, Indonesia. The program was conducted from July to August 2026 in collaboration with the Cemara Sea Turtle Conservation Community Group and involved 35 participants. A participatory community empowerment approach was applied through instruction, demonstration, hands-on practice, technical assistance, product development, and evaluation. Participants’ familiarity with bokashi was assessed orally before and after training using a show-of-hands response, while practical involvement was evaluated through direct observation. Before the activity, 17 of 35 participants (48.6%) were familiar with the basic concept of bokashi, and none had previous hands-on production experience. After training, all 35 participants reported familiarity with bokashi and participated directly in group-based production. The program produced an estimated 3 tons of bokashi, including 100 labelled 10-kg packages. Laboratory analysis showed 35.68% organic carbon, 2.22% total nitrogen, 1.21% P?O?, 1.01% K?O, a pH of 6.81, and a C/N ratio of 16.1. The estimated direct cash cost was approximately IDR 8,997 per 10-kg package, excluding labour and depreciation of reusable assets, while an introductory selling price of IDR 15,000–20,000 was proposed. The program increased participants’ familiarity and practical exposure to bokashi production and established an initial basis for continued community-based production and value-added product development. Further evaluation is required to assess production continuity, economic performance, and the effects of bokashi application on soil properties and crop productivity.
Co-Authors Ade Irma Syamsudin AGNES VIRGINIA SIMAMORA Agustina E. Nahas Agustina Etin Nahas Agustinus Charles Muras Ahmada Yudi Surya Alimus Adrianus Tri Putra ALOYSIUS MARAWALI Anastasia Rande Andris Misa Andrys Misa Angela Yunita Kehi Anita Matang ANTONIUS R. B. OLA Antonius S. Ndiwa Ape Didex Nino Apu, Orlando Calvin Ardiyanto Namu ARIEF MAHMUD Asteria Milla Radjang Astin E. Mau Astin E. Mau Astin Elise Mau Asyir Windi Atawolo, Maria I. S. Azahra Rahmadani Berta Adelina Ria Bertila Avila Delvion Carmelia Emerensi Baro Chors Bana CHRISTO EDUARDUS TAE Christo Tae Clemens Januarius Nuhang Desi Meriati Maring Dimas Christyan Pratama Arka Don H. Kadja Effy Roefaida Elisabeth Fore Emanuel Edo Endang Sosilawati Ewaldus Tan F. X. D. Ari Sasongko Fallo, Tri Putra M. Fandham Junior Bekalani FARIS FATHUROHMAN Ferdinandus Wea Fernanda Solagracia Nauk Fiqul El Khoir Frank Samelino Tita Frederik Reinardus Naiheli Gabriel Alexandro Tonda Gaudensia Oktaraviani Tantap Graciano Vivio de Araujo Gudelia Greisti Jehadu Gustaf Ridolof Saudila Halena Meldy Asa Hali, Antonius Suban I G. B. Adwita Arsa I G.B. ADWITA ARSA I GUSTI BAGUS ADWITA ARSA I Gusti Bagus Adwita Arsa I WAYAN MUDITA I Wayan Mudita IBNU MARYANTO Januaria Karolina Elisabet Oetpah Jarwadi B Hernowo JARWADI BUDI HERNOWO Jericho Albert Balol Kaho, Ludji Michael Riwu Kaho, Ludji Michael Riwu Karel Febryanto Buling Kasianus Priski Mbelo Ken Dara Cita Lilik B Prasetyo LILIK BUDIPRASETYO LINCE MUKKUN Ludji Michael Riwu Kaho Lusia S. Marimpan Lusia S. Marimpan Lusia Sulo Marimpan M Farsyudi Adib M. KASIM M. Martyn De Pores N. Olin Magdalena Gabriela Nahak Maharani Putri Mimy Mamie E. Pellondo'u Mamie E. Pellondo’u Mamie Elsyana Pellondou Mari M. E. Purnama Maria Bano Maria Charlina Isu Maria Henindra Martin Seran Maria M. E. Purnama Maria M. E. Purnama Maria M.E. Purnama Maria Marleni Ema Purnama Maria Marleni Ema Purnama Maria Purnama Mariani Unang Mau, Astin E. Mau, Astin Elise MAYAVIRA V. HAHULY MAYAVIRA V. HAHULY Mayavira Veronica Hahuly MELYCORIANDA HUBI NDAPAMURI Mhd Muhajir Hasibuan Moresi M. Airtur Muhajir Hasibuan Muhajir Hasibuan Muhamad Soimin Muhammad Soimin Nainupu, Stefani Angela Nampa, I Wayan NANANG SUPRIATNA NIXON RAMMANG NIXON RAMMANG Nixon Rammang Nixon Rammang Nixon Rammang, Nixon Norman P. L. B Riwu Kaho Norman P. L. B. Riwu Kaho Norman P.L.B. Riwu Kaho Norman P.L.B. Riwu Kaho Norman Riwu Kaho Noviani Sarah Agusthina Duka Novianti Rosalia Abi Oki Hidayat Oki Hidayat Oki Hidayat Pamona Silvia SINAGA Pamona Sinaga Pellondo’u, Mamie E. Pellondo’u, Mamie Elsyana Peran, Anselaus Pehan Peters O Bako Petronela Syahyanti Nenotek PETRONELLA S. NENOTEK PETRONELLA S. NENOTEK Prisilla Afeanpah Purnama, Maria M. E. Purnama, Maria M.E Purnama, Maria M.E. Puspa Sari Putri Rai Sae Putri, Saprita Nuary Putri Rahmadhiani Nurdin Ratna Sari Hasibuan Reynaldy Henuk Rischaardts Chornelis Manafe Riwu Kaho, Ludji Michael Rizki Amalia Adinda Putri RIZKI KURNIA TOHIR RODDIALEK POLLO Roni H. Sipayung Roni Haposan Sipayung Sanjina Paul De Jesus Saveria Novi Triana Selvia Alfionita Dhiu Semarabawa, I Gede Shirly Seahan Oematan SIGIT WIANTORO Sinaga, Pamona S. Sipayung, Roni Haposan Soimin, Muhamad SRI WIDINUGRAHENI Sri Widinugraheni Stefan E. D. Atawatun Stefani Angela Nainupu Stella Giri Suek, Johanna Taufan Kharis Theodosius Lau Base Theresia Luku Lea Leri Tohir, Rizki Kurnia Tri Putra Merden Fallo VIKTORIANUS JEHAUT Wengki Kuanine Widiastuti Kartini Rambu Tawuru May Wilhelmina Seran Yakobus Fernandez Lamury Yasinta L. Kleden YASINTA LETEK KLEDEN YENNY RAJA KANA Yohanes Erwin Amleni YOSEP SERAN MAU Yosep Seran Mau Yosephita Sabu Witin Yosua Prastowo Pehi YUSRATUL AINI Yusratul Aini Yusratul Aini