Volume (16-1) IJERD Volume 16 Number 1 April 2025[PDF] Contents Assessing the Efficiency of Different Biogas Generators in Energy Production and Greenhouse Gas Emissions for Commercial Pig Farms in Cambodia Mengchhay Kim, Lyhour Hin, Chan Makara Mean, Nareth Nut, Lytour Lor and Gerald Hitzler DOI: https://doi.org/10.32115/ijerd.16.1_1 Evaluation of Agroecological Performance across Geographical Aspects and Agroecological Transition Levels in Battambang Province, Northwest Cambodia Theara Mao, Sorith Hou, Samnang Nguon, Lucie Reynaud, Sovann Pat, Rada Kong, Veng Sar, Guillemette Arminjon and Agnès Colbe DOI: https://doi.org/10.32115/ijerd.16.1_8 Design of a Two-Chamber Microbial Fuel Cell Without a Proton Exchange Membrane for Electricity Generation from Food Waste Narong Touch and Xiao Xiao DOI: https://doi.org/10.32115/ijerd.16.1_15 Guidelines for Pesticide Risk Management at the Community Level in Northeast Thailand Jarupong Prasopsuk, Watcharaporn Srisawangwong, Papatsorn Seelarak, Natchayathon Khattiyaphutthimet, Malisa Wetchayanon and Chuleemas Boonthai Iwai DOI: https://doi.org/10.32115/ijerd.16.1_22 Factors Influencing Agricultural Technology Adoptions by Vegetable Producers in Svay Rieng Province, Cambodia Hong Chhun, Chun Nimul, Buntong Borarin, Serey Mardy, Sao Vibol, Chan Bunyeth and Tum Saravuth DOI: https://doi.org/10.32115/ijerd.16.1_28 Influence of Copper and Cadmium Soil Pollution in Soybeans: Uptake, Growth, and Yield Pollution Choichi Sasaki, Chihiro Kato, Nobuhiko Matsuyama, Takeyuki Annaka and Kiichi Sasaki DOI: https://doi.org/10.32115/ijerd.16.1_36 Prospects of Nutmeg Industry Development in North Maluku, Indonesia Riskina Juwita and Siti Jahroh DOI: https://doi.org/10.32115/ijerd.16.1_42 Performance of a Covered Lagoon Digester on Wastewater Treatments Obtained from Mango Processing in Kampong Speu, Cambodia Chan Makara Mean, Lyhour Hin, Meng Chhay Kim, Buntha Kun, Dyna Theng, Nareth Nut and Lytour Lor DOI: https://doi.org/10.32115/ijerd.16.1_49 Local Awareness and Perception of Fertilizers: A Case Study in Anuradhapura District, Sri Lanka Arachchillage Buddhika Priyadarshani Bandara and Machito Mihara DOI: https://doi.org/10.32115/ijerd.16.1_57 Enhancing Soil Productivity for Sustainable Agriculture in Afghanistan: The Impact of Organic Amendments on Soil Water Holding Capacity and Grapevine Growth in Kabul, Afghanistan Yusufi Mohammad Mirwais and Machito Mihara DOI: https://doi.org/10.32115/ijerd.16.1_65 Personal Hygiene Practices: Impact of Hygiene Education on Preschool Students in Phnom Penh, Cambodia Yim Sophorlkun, Ly Phanna, Hor Rathna, Cho Sunduk, Chamruen Salyta and Kang Eunjin DOI: https://doi.org/10.32115/ijerd.16.1_72 Long-Term Hydrologic Trend Analysis of the Diamphwe River Basin in Central Malawi Kenford A. B. Luweya, Lameck Fiwa, Ke Zhang, Sarvesh Maskey, Hiroko Gono and Hiromu Okazawa DOI: https://doi.org/10.32115/ijerd.16.1_89 Comparison of Macroinvertebrate Community Structures between Artificial Environments and Natural Streambeds in Mountain Streams Tetsuya Shimamura, Ryosuke Tsuji, Masaki Hamaguchi, Kyosuke Ino and Eri Nabeshima DOI: https://doi.org/10.32115/ijerd.16.1_97 Relationships between Soil Characteristics and Brewing Grape Quality in Katsunuma, Yamanashi Prefecture, Japan Ai Kurihara and Machito Mihara DOI: https://doi.org/10.32115/ijerd.16.1_106 Technical Efficiency of Rice Yield: Insights from IADA North-West Selangor, Malaysia Rika Terano, Nurul Nadia Ramli, Juwaidah Sharifuddin and Fazlin Ali DOI: https://doi.org/10.32115/ijerd.16.1_111 Factors Affecting the Use of Trichoderma by Rural Rice Farmers in Thailand Nareerut Seerasarn, Pruekjiga Kantajam and Parichard Tarbud DOI: https://doi.org/10.32115/ijerd.16.1_117 Changes in the Evaluation of Rural Landscape Before and After Farmland Improvement Yamaji Eiji and Nishiwaki Shoko DOI: https://doi.org/10.32115/ijerd.16.1_123 Impact of Street Tree Base Management on the Plants Colonizing Street Tree Bases in Western Japanese City Masaaki Furuno, Taizo Uchida, Xue Jun Huan, Daisuke Hayasaka and Teruo Arase DOI: https://doi.org/10.32115/ijerd.16.1_130 Recycling of Nitrogen and Phosphorus from Urban Wastewater Using Calcium-Silicate-Hydrate: A Case Study in Cambodia Somara Oum, Narong Touch and Machito Mihara DOI: https://doi.org/10.32115/ijerd.16.1_144 Assessment of Soil Quality in Paddy Fields at Dakawa Irrigation Scheme, Morogoro, Tanzania Jimmy Felix Macha and Machito Mihara DOI: https://doi.org/10.32115/ijerd.16.1_152 Tourist Perceptions and Willingness to Pay for Biodiversity Conservation at Nam Nao National Park, Thailand’s Newest ASEAN Heritage Site Desvia Norita Angelina and Adcharaporn Pagdee DOI: https://doi.org/10.32115/ijerd.16.1_159 Mapping Land Use Shifts in Nepal’s Protected Regions: Insights for Biodiversity and Resource Management Santa Pandit and Huang Wan Hui DOI: https://doi.org/10.32115/ijerd.16.1_166 Impact of Dietary and Self-sufficiency Changes on Nitrogen Load in the Kasumigaura Watershed Nina Hodalova and Yoshida Koshi DOI: https://doi.org/10.32115/ijerd.16.1_177 A Quarter Century of International Development Cooperation at the Institute of Environmental Rehabilitation and Conservation: Achievements and Future Challenges to Education for Sustainable Development Machito Mihara, Takashi Ueno, Kumiko Kawabe, Keiko Aoki and Eiji Yamaji DOI: https://doi.org/10.32115/ijerd.16.1_185 Structure and Financial Characteristics of ERECON: Extension and Research Integration Takashi Ueno, Machito Mihara, Kumiko Kawabe, Eiji Yamaji, and Keiko Aoki DOI: https://doi.org/10.32115/ijerd.16.1_192