Agricultural / Rural Development

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No.42 Trust and Social Networks: Evidence from a Household Survey in Cambodia

  • SAMRETH Sovannroeun
    • ,
  • AIBA Daiju
This study investigates the relationship between community trust and social networks in Cambodia, using ...
  • Date of issuance｜ 2025年10月
  • Research area｜ Economic Growth and Poverty Reduction
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  • #Project History

Kilimanjaro and the Waves of Rice Stalks: Half a Century of Rice Production in Tanzania

  • ASAI Makoto
"Golden stalks of rice are still swaying in the wind as they await harvest in the Lower Moshi scheme. Be...
  • Date of issuance｜ 2025年07月
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Enhancing agricultural intensification through contract farming: evidence from rice production in Senegal

  • Francis E. Ndip
    • ,
  • Takeshi Sakurai
Agricultural intensification is important in increasing agricultural production and productivity. Especi...
  • Date of issuance｜ 2025年05月
  • Research area｜ Development Cooperation Strategies
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Heterogeneous Effects of Horticulture Commercialization and Gender-based Decision-making on Smallholder Farmers’ Income: Evidence From a Quasi-experimental Study in Jimma Zone, Ethiopia

  • Asmiro A. Fikadu
    • ,
  • NOMURA Hisako
    • ,
  • Girma G. Gebre
    • ,
  • Payal Shah
    • ,
  • TAKAHASHI Yoshifumi
    • ,
  • YABE Mitsuyasu
This paper assesses the heterogeneous impact of horticulture commercialization and gender-based decision...
  • Date of issuance｜ 2025年03月
  • Research area｜ Development Cooperation Strategies
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  • #Policy Notes

No.16 Livelihood diversification through Farmer Field School: Exploring the way to advance climate resilience in arid and semi-arid lands of East Africa

  • SATO Ichiro
    • ,
  • Kubo Hideyuki
    • ,
  • Josiah Mwangi Ateka
    • ,
  • Robert Mbeche
    • ,
  • Mochizuki Ayaha
Arid and semi-arid lands (ASALs) in East Africa are vulnerable to recurrent climate-related shocks, incl...
  • Date of issuance｜ 2025年02月
  • Research area｜ Global Environment
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No.32 Infrastructure Development and Carbon Footprints of Household Consumption in India

  • KOBAYAKAWA Toru
    • ,
  • IHARA Tomohiko
Infrastructure development plays a critical role in enhancing quality of life by providing essential ser...
  • Date of issuance｜ 2025年01月
  • Research area｜ Global Environment
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No.14 Lagging Agricultural Development in Africa and the Way Forward: Progress and Challenges for the Comprehensive Africa Agriculture Development Programme (CAADP)

  • AMAMEISHI Shinjiro
Agricultural development has been subject to significant delays in Africa. Although a target of annual a...
  • Date of issuance｜ 2025年01月
  • Research area｜ Development Cooperation Strategies
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  • #Knowledge Reports

No.10 Lagging Agricultural Development in Africa and the Way Forward: Progress and Challenges for the Comprehensive Africa Agriculture Development Programme (CAADP)

  • AMAMEISHI Shinjiro
Agricultural development in Africa has been lagging for more than 20 years. While Africa has experienced...
  • Date of issuance｜ 2024年12月
  • Research area｜ Development Cooperation Strategies
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No.27 Analysis of the Smallholder Horticulture Empowerment and Promotion (“SHEP”) Intervention on Income and Food Security in Ethiopia

  • NOMURA Hisako
    • ,
  • Asmiro A. Fikadu
    • ,
  • Girma G. Gebre
    • ,
  • Payal Shah
Smallholder Horticulture Empowerment and Promotion (SHEP) aims to change small-scale horticultural farme...
  • Date of issuance｜ 2024年11月
  • Research area｜ Development Cooperation Strategies
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State-Managed International Voluntary Service: The Case of Japan Overseas Cooperation Volunteers

  • OKABE Yasunobu
Since its establishment in 1965, Japan Overseas Cooperation Volunteers (JOCVs) have believed that they s...
  • Date of issuance｜ 2024年10月
  • Research area｜ Development Cooperation Strategies
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No.25 Promoting livelihood diversification among rural farming households in Kenya: What role does farm forestry Farmer Field School play?

  • SATO Ichiro
    • ,
  • Kubo Hideyuki
    • ,
  • Josiah Mwangi Ateka
    • ,
  • Robert Mbeche
    • ,
  • Mochizuki Ayaha
Farmer Field School (FFS) is an agricultural extension approach designed to empower participants, enabli...
  • Date of issuance｜ 2024年09月
  • Research area｜ Global Environment
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No.18 How has Rice Production in Sub-Saharan Africa Expanded? A Comparison of Growth Rates Before and After CARD Implementation and the Case of Tanzania

  • Fujiie Hitoshi
    • ,
  • Suzuki Fumihiko
In sub-Saharan Africa (SSA), the rapid expansion of rice consumption in recent years has led to increase...
  • Date of issuance｜ 2024年03月
  • Research area｜ Development Cooperation Strategies
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The Impact of “Grow to Sell” Agricultural Extension on Smallholder Horticulture Farmers: Evidence from a Market-Oriented Approach in Kenya

  • SHIMIZUTANI Satoshi
    • ,
  • TAGUCHI Shimpei
    • ,
  • YAMADA Eiji
    • ,
  • YAMADA Hiroyuki
This paper evaluates the impact of a market-oriented agricultural extension program called Smallholder H...
  • Date of issuance｜ 2023年10月
  • Research area｜ Development Cooperation Strategies
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Japanese Immigrants Who Supported the Development of Paraguay—The Achievements That Made Paraguay the World’s Fourth Largest Soybean Exporter and an Implementer of New Initiatives for Industrial Diversification

  • Kitanaka Makoto
    • ,
  • Fujishiro Kazuo
    • ,
  • HOSONO Akio
    • ,
  • Ito Keisuke
Project History is a publication series from the JICA Ogata Sadako Research Institute for Peace and Deve...
  • Date of issuance｜ 2023年08月
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No.14 Is the Green Revolution in Sub-Saharan Africa a Fertilizer and Seed Revolution? The Impact of Training and Free Distribution of Fertilizer and Seeds on Agricultural Productivity

  • Yuko Nakano
    • ,
  • Eustadius Francis Magezi
The Green Revolution in Asia is often considered the “fertilizer and seed revolution.” However, it has r...
  • Date of issuance｜ 2023年08月
  • Research area｜ Development Cooperation Strategies
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No.7 Mechanization, Intensification, and Extensification of Agriculture: Evidence from Rice Farming in Tanzania

  • Eustadius F. Magezi
    • ,
  • Yuko Nakano
    • ,
  • Takeshi Sakurai
The use of agricultural machinery is increasingly common in sub-Saharan Africa. However, its potential b...
  • Date of issuance｜ 2023年03月
  • Research area｜ Development Cooperation Strategies
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Rice Green Revolution in Sub-Saharan Africa

  • Keijiro Otsuka
    • ,
  • Yukichi Mano
    • ,
  • Kazushi Takahashi
This open-access book seeks an effective strategy that can facilitate the realization of a green revolut...
  • Date of issuance｜ 2023年03月
  • Research area｜ Development Cooperation Strategies
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No.6 Toward Quality Upgrading of Rice Production in SSA: Experimental Evidence from Northern Ghana

  • Ogura Tatsuya
    • ,
  • Joseph A. Awuni
    • ,
  • Takeshi Sakurai
Quality improvement of domestic milled rice is an urgent issue in sub-Saharan Africa (SSA) because domes...
  • Date of issuance｜ 2023年03月
  • Research area｜ Development Cooperation Strategies
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Los Inmigrantes Japoneses y su Contribución al Desarrollo del Paraguay – Contribución al Posicionamiento del País como el Cuarto Mayor Exportador de Soja en el Mundo y Nuevas Iniciativas para la Diversificación Industrial

  • Kitanaka Makoto
    • ,
  • Fujishiro Kazuo
    • ,
  • HOSONO Akio
    • ,
  • Ito Keisuke
Project History is a publication series from JICA Ogata Sadako Research Institute for Peace and Developm...
  • Date of issuance｜ 2022年07月
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Irrigation Infrastructure and Trust: Evidence From Natural and Lab-in-the-field Experiments in Rural Communities

  • Keitaro Aoyagi
    • ,
  • Yasuyuki Sawada
    • ,
  • Masahiro Shoji
Does irrigation infrastructure build trust, and how? To answer, this paper tests two processes of trust ...
  • Date of issuance｜ 2022年05月
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