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All Journal Teknotan: Jurnal Industri Teknologi Pertanian Jurnal Sains Dasar Jurnal Teknologi Pertanian Jurnal Sains dan Teknologi Pangan Jurnal Ilmiah Pertanian Jurnal Penelitian Pertanian Terapan AGRISAINTIFIKA Jurnal Ilmu-ilmu Pertanian JURNAL GALUNG TROPIKA JMM (Jurnal Masyarakat Mandiri) Jurnal Pertanian Agros Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Agrotek Tropika Agrisocionomics: Jurnal Sosial Ekonomi Pertanian Jurnal Teknologi Pertanian TEKNOLOGI PANGAN : Media Informasi dan Komunikasi Ilmiah Teknologi Pertanian Agritech: Jurnal Fakultas Pertanian Universitas Muhammadiyah Purwokerto Jurnal Pendidikan Teknologi Pertanian Jurnal Ilmiah Membangun Desa dan Pertanian Agroteknika Agro Bali: Agricultural Journal Jurnal Ekologi, Masyarakat dan Sains Jurnal Mandala Pengabdian Masyarakat JURPIKAT (Jurnal Pengabdian Kepada Masyarakat) Unram Journal of Community Service (UJCS) Jurnal DiMas (Jurnal Pengabdian Kepada Masyarakat) PERTANIAN TROPIK Magistrorum et Scholarium: Jurnal Pengabdian Masyarakat Warta LPM Journal Of Agribusiness, Social and Economic Agroland: Jurnal Ilmu-ilmu Pertanian AGROLAND: The Agricultural Sciences Journal
Yoga Aji Handoko
Universitas Kristen Satya Wacana
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Journal : JURNAL GALUNG TROPIKA

 1 
OPTIMALISASI BAKTERI Rhizobium japonicum SEBAGAI PENAMBAT NITROGEN DALAM UPAYA PENINGKATAN PRODUKSI JAGUNG Jennifer Larisa Liem; Briliani Ayu Arianita; Shinta Sugiarti; Yoga Aji Handoko
JURNAL GALUNG TROPIKA Vol 8 No 1 (2019)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (596.749 KB) | DOI: 10.31850/jgt.v8i1.413

Abstract

Jagung merupakan salah satu komoditi di Indonesia yang tingkat konsumsinya cukup tinggi sebagai pangan dan pakan. Namun seringkali dalam proses budidaya jagung mengalami defisiensi unsur hara nitrogen, sehingga mempengaruhi produksi jagung dalam negeri. Salah satu solusi yang dilakukan yaitu dengan penggunaan bakteri Rhizobium japonicum untuk memenuhi kebutuhan unsur N. Bakteri ini adalah salah satu bakteri penambat nitrogen yang dapat mengkonversi N dari udara bebas kedalam bentuk NH4+ dan NO3- agar dapat diserap oleh tanaman. Untuk mencapai pertumbuhan bakteri Rhizobium japonicum yang maksimal perlu diupayakan kondisi pH 6-7, kelembaban udara yang stabil, suhu 25-30?C, dan ketersedian unsur hara molybdenum, besi, belerang, fosfor, kalsium, aluminium, dan mangan. Bakteri ini hanya dapat melakukan simbiotik dengan tanaman kedelai saja, sehingga untuk meningkatkan produksi jagung dilakukan pola penanaman tumpangsari antara jagung dan kedelai.
PERBANDINGAN KUALITAS FERMENTASI BIJI KAKAO DENGAN PENAMBAHAN KULTUR CAMPUR DAN KULTUR TUNGGAL LACTOBACILLUS PLANTARUM Arita Putri Handayani; Andree Wijaya Setiawan; Yoga Aji Handoko
JURNAL GALUNG TROPIKA Vol 11 No 1 (2022)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v11i1.886

Abstract

COMPARISON OF THE QUALITY OF COCOA SEED FERMENTATION WITH THE ADDITION OF MIXED CULTURE AND SINGLE CULTURE OF Lactobacillus plantarum Arita Putri Handayani; Andree Wijaya Setiawan; Yoga Aji Handoko
JURNAL GALUNG TROPIKA Vol 11 No 1 (2022)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v11i1.907

Abstract

The cocoa bean fermentation process is carried out to improve the quality of cocoa beans as industrial raw materials such as the formation of aroma, color, flavor and can increase the selling value. This study aims to examine the quality of the results of the addition of mixed culture and single culture Lactobacillus plantarum and determine the best quality of fermented cocoa beans with the addition of mixed culture and single culture Lactobacillus plantarum. The cocoa beans used for fermentation were RCC clones from Nglanggeran, Gunung Kidul. This study used a randomized block design (RAK) with different concentrations of yeast and bacteria, namely: single culture 5%, 10%, 15% and mixed culture 5%, 10%, 15% with a long fermentation time for 6 days. Cocoa beans without yeast and bacteria inoculum were used as controls. The single culture and the mixed culture used influenced the different results. The best treatment using a single culture was a single culture of 10%, while the treatment with the addition of mixed cultures was a mixed culture of 10%. The results of the research analysis of some of the best parameters as follows: 37.85?C temperature measurement; pH 5.37; yield 31,369; seeds 100 grams 76.25; water content 7.848%; lactic acid 0.1125%; acetic acid 0.281%; reducing sugar 5.1065; total fat 50.70%; and cut test organoleptic test the preferred treatment by the panelists was Mixed Culture 5%.
Co-Authors Adi Nugroho Adminarwati Hulu Adminarwati Hulu Agus, Yohanes Hendro Alfred Jansen Sutrisno Alvira Tuttan Dwi Maharani Andree Wijaya Setiawan Andrianto, Kurniawan Apria Ajeng Winanti Arita Putri Handayani Arita Putri Handayani Bayu Nuswantara Bellarose Novelia Kristina Pandeirot Bellarose Novelia Pandeirot Bistok Hasiholan Simanjuntak Brian Jordan Zendrato Briliani Ayu Arianita Chelsy Natalia Putirulan Christhoperus William Vincent Sucipto Christiani Yasmine Christina Ari Pramono Putri Damara Dinda Nirmalasari Zebua David Richard Hendarto Deshinta Tri Murty Archery Desy Mar’atul Fadlilah Dina Rotua Valentina Banjarnahor Donna Setiawati Dwi Septian, Bagas Eko Wahyu Widiyatmoko Eko Wahyu Widiyatmoko Elen, Sisilia Elisa Esterelita Elvi Fitriani Simarmata Erlitha Rahmawati Faisalma, Mohamad Wega Gabriella Desnata Yoan Anarki Gideon Febby Prima Andhika Gilang Andi Nugroho Hendrik Johannes Nadapdap Hildegardis Vania Santika Hulu, Adminarwati Indrabayu Indriatmoko Indriatmoko Ivan Tjahja Pranata Jatiningrum, Setia Humani Jayanti, Malta Puspita Jennifer Larisa Liem Johan Jimmy Carter Tambotoh Krisdania Agaperesa Lasmono Tri Sunaryanto Liem, Jennifer Larisa Liska Simamora Lois Hintanara Shine Tanggara Manao, Nancy Felicia Maria Maria Maria Maria Maria Maria Marina Herawati Megawati Haloho Murtiwulandari Murtiwulandari Ningrum, Priskilah Febi Widya Nokabun, Karolus Yubel Novani Wahyu Khristanti Novia Dewi Permatasari Nugraheni Widyawati Olsen O Pramana Panadi, Danendra Guido Pandeirot, Bellarose Novelia Kristina Paulya Eltje Leihitu Peli Rodo Pranata, Ivan Tjahja Pratiwi, Vera Handi Putra, Imanuel Trisya Rannes Ran Nes Rendha Kinasih Rony, Zahara Tussoleha Saputra, Delfio Arga Shinta Sugiarti Simanjuntak, istok Hasiholan Sisilia Elen Subagyo, Ni Jeni Fanira Sucipto, Christhoperus Vincent Sugiarti, Shinta Suprihati Suprihati Suprihati Surya Seno Pamungkas Teresha Elena Permata Theresa Dwi Kurnia Tinjung Mary Prihtanti Vania Putri Santoso Velian Sandy Wardana Wamilia Yulianingsih Wamilia Yulianingsih Widhi Handayani Yasmine, Christiani Yayi Suryo Prabandari Yetero Hendikus Hulu Yohanes Hendro Agus Yuli Kristiyanto Yulianingsih, Wamilia Yuliawati Yuliawati Yulius Adi Kristiawan Zai, Novice Enrich Zendrato, Yuniel Melvanolo