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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) Journal of Innovation and Applied Technology Jurnal Pangan dan Agroindustri Plantropica: Journal of Agricultural Science Indonesian Food Science and TechnologyJournal Sebatik TEKNOLOGI PANGAN : Media Informasi dan Komunikasi Ilmiah Teknologi Pertanian Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) Community Empowerment Tri Dharma Mandiri: Diseminasi dan Hilirisasi Riset Kepada Masyarakat (Jurnal Pengabdian Kepada Masyarakat) JAPI: Jurnal Akses Pengabdian Indonesia
Setyawan, Hendrix Yulis
Universitas Brawijaya
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Economics, Econometrics & Finance Education Engineering Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Mechanical Engineering Nursing Public Health Social Sciences Other

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System dynamics control simulation for sustainability of Indonesia’s cocoa supply chain Imam Santoso; Dodyk Pranowo; Hendrix Yulis Setyawan; Izzum Wafi'uddin; Naila Maulidina Lu'ayya; Annisa'u Choirun
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 24, No 2: April 2026
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v24i2.27509

Abstract

Indonesia’s cocoa sector faces challenges in greenhouse gas emissions and smallholder income volatility. This study develops a system dynamics model to simulate the interrelationship between carbon emissions and economic performance across the cocoa value chain, identify leverage points, and evaluate alternative policy scenarios. The model integrates environmental and economic variables into dynamic feedback structures, enabling scenario-based assessment of intervention strategies. Five scenarios were simulated: composting cocoa waste increased farmer income by 2% and reduced farm-level emissions from 0.43 to 0.303 kg CO₂-eq/kg (29.79% total reduction); biogas conversion raised income by 13.56% and reduced emissions by 11%; converting cocoa waste into animal feed slightly increased income by 0.23% while cutting emissions by 58.6%; combining composting with improved transport efficiency reduced emissions by 14%; and integrating composting, logistics optimization, and government-supported input subsidies yielded the highest performance, with a 13.50% income increase and a 70% emission reduction. These results demonstrate that integrated, system-based interventions can enhance both economic resilience and environmental sustainability. The system dynamics model provides policymakers and supply chain actors with actionable insights for designing effective, climate-aligned strategies in Indonesia’s cocoa industry.
Pengaruh Posisi Kanopi dan Umur Tanaman Terhadap Distribusi Kandungan Klorida pada Tembakau Madura Lahan Kering (Nicotiana tabacum L.) Varietas Prancak 95 Sudariyanti, Citra Okta; Pranowo, Dodyk; Setyawan, Hendrix Yulis; Prabowo, Heri
Plantropica: Journal of Agricultural Science Vol. 11 No. 2 (2026): Agustus
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpt.2026.011.2.8

Abstract

Klorida merupakan salah satu komponen kimia yang memengaruhi mutu daun tembakau, terutama sifat pembakaran dan keseragaman kualitas hasil panen pada budidaya lahan kering. Penelitian ini bertujuan menganalisis distribusi klorida pada daun tembakau madura varietas Prancak 95 berdasarkan umur tanaman dan posisi kanopi. Percobaan disusun menggunakan Rancangan Acak Lengkap pola faktorial dengan dua faktor, yaitu umur tanaman 25, 40, 55, 70, dan 85 hari setelah tanam serta posisi daun pada kanopi bawah, tengah, dan atas, masing-masing dengan tiga ulangan. Sampel daun dikeringkan, diabukan kering dengan penambahan CaO, kemudian kandungan klorida ditetapkan menggunakan titrasi argentometri dan dinyatakan dalam mg g-1 bahan kering. Laju perubahan konsentrasi klorida antarwaktu juga dihitung untuk menggambarkan dinamika akumulasi selama pertumbuhan. Hasil penelitian menunjukkan bahwa rerata kandungan klorida cenderung menurun seiring bertambahnya umur tanaman, dari 0,96 menjadi 0,72 mg g-1 bahan kering. Namun demikian, pola distribusi vertikal dalam tajuk tampak lebih konsisten, dengan daun bawah selalu memiliki kandungan klorida tertinggi, diikuti daun tengah dan daun atas. Laju perubahan yang umumnya bernilai negatif menunjukkan adanya pengenceran konsentrasi selama pertumbuhan. Hasil ini menegaskan bahwa posisi kanopi merupakan faktor utama yang menentukan heterogenitas klorida daun, sehingga panen dan sortasi berdasarkan posisi daun berpotensi mendukung keseragaman mutu tembakau.
Co-Authors Aby Dea Admir Addion Nizori Afifa, Lana Izzatul Afifah Ulfah Afifal, Lana Izzatul Agus Pratama, Andhika Putra Alfi Ayuning Nur Kurniasari Amelia Amelia Amelia, Ridla Andan Linggar Rucitra Annisa'u Choirun Aris Subagiyo Aris Subagyo Arya Nugraha Hananto Austria, Cesar Oliver Azimmatul Ihwah Azwar Lahusin Bambang Susilo Basir Noho Beauty Suestining Diyah Dewanti Budi Waluyo Choirun, Annisa'u Damayanti, Devi Dwi Dhita Morita Ikasari Djatmiko Bagus Wibowo Dodyk Pranowo Eka Wahyu Belianna Elviliana, Elviliana Elya Mufidah Erekso Hadiwijoyo Erina Permata Puteri Yuscandra Essa Noer Bhakty Mulia Fadia, Fitri Dwi Fahmi Akbar Yuliansyah Fanani, Muchammad Firdausiyah, Nailah Gatot Ciptadi Harki Himawan Hendro Risdianto Heri Prabowo I Kadek Olin Adi Wiguna Idrus, Syazwani Ika Atsari Dewi Ikhtiarini, Nur Imam Santoso Irnia Nurika Irwan Bempah Ita Triesna Ariy Izzum Wafi'uddin Jung, Young Hoon Kette, Arlindo Umbu Saki KIKI FIBRIANTO Luthfiyah, Mayla Ainayya Maharsih, Inggit Kresna Maimunah Hindun Pulungan Masruri Masruri Mega Permata Nareswari Melville, Lynsey Merlya, Merlya Mingming Zhu Mohammad Fatoni Putrafardani Muchlisiyah, Jhauharotul Muhammad Arwani Muhammad Bagaskara Wiratirta Muhammad Syukur Sarfat Nafi'ah, Riris Waladatun Naila Maulidina Lu'ayya Nimas Mayang Sabrina Sunyoto, Nimas Mayang Sabrina Novia Lusiana Nugroho, Dimas Aditiya Nugroho, Gabryna Aluliya Nur Lailatul Rahmah Panji Deoranto Prayer Immanuel Nicolaus Silaban Putri, Inka Salsa Karina Rachmad Pratama Fauzi Riska Ayu Lestari Rizki Putra Samudra Rizki Putra Samudra Rohma, Novita Ainur Roy Ardy Colas Napitupulu Sabrina Sunyoto, Nimas Mayang Sahrial Sahrial Shafira, Dhea Aura Bening Simon Azriel Napitupulu Siti Lailatus Sa’adah Sri Suhartini Sudariyanti, Citra Okta Sukardi Sukardi Sunaryo Sunaryo Suryanegara, Lisman Susinggih Wijana Susiolo, Bambang Wafa Nida Faida Azra Widya FATRIASARI Wijayanti, Karlina Wiryawan, Adam Yudin Yudiawan Maksum Yulius, Nathanael Avriel Yusron Sugiarto Zhijian Wan