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JIRCAS Research Projects

Africa rice farming system

"Africa rice farming system"
Development of sustainable rice cultivation and food production system in Africa

We will create new technologies and knowledge that will lead to increased rice production, a key crop in the region, and improved nutrition for the people, with the aim of building a sustainable food production system with resource utilization, centered on rice cultivation.
アフリカのための稲作を中心とした持続的な食料生産システムの構築【アフリカ稲作システム】
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Africa upland farming system

"Africa upland farming system"
Development of soil and crop management technologies to stabilize upland farming systems of African smallholder farmers

Our activities aim to develop and disseminate stable and sustainable land and cultivation management technologies for small-scale farming systems in the African savanna areas, where the natural environmental conditions are very different.
アフリカ小規模畑作システムの安定化に資する生産性・収益性・持続性を改善する土壌・栽培管理技術の開発【アフリカ畑作システム】
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Science and Technology Research Partnership for Sustainable Development (SATREPS) Projects

Project on establishment of the model for fertilizing cultivation promotion using Burkina Faso phosphate rock

"" ""
In Burkina Faso, there are 100 million tons of phosphate rock underutilized due to its low quality. Effective utilization of this PR resources must contribute to increasing agricultural productivity.

Fertility sensing and variety amelioration for rice yield (FY VARY) project

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Madagascar is one of the largest rice producers in Africa with a per capita rice consumption twice as high as that of Japan. We will develop rice production techniques to realize high yield even under low fertility conditions and evaluate the impact that adopting such techniques has on local farmers' income and nutritional status.

Research Activities and Results of JIRCAS Projects

TICAD8 Official Side Event “Managing African Soil for Food Security and Environmental Sustainability”
- Opportunities and Challenges of Agronomy to Solve Low Fertility/Nutrient Bottlenecks -

Ethiopia

Ethiopia

Ethiopia (/ˌiːθiˈoʊpiə/; Amharic: ኢትዮጵያ?, ʾĪtyōṗṗyā, ), officially known as the Federal Democratic Republic of Ethiopia (የኢትዮጵያ ፌዴራላዊ ዲሞክራሲያዊ ሪፐብሊክ,… (More)

Ethiopia

Ethiopia

Ethiopia (/ˌiːθiˈoʊpiə/; Amharic: ኢትዮጵያ?, ʾĪtyōṗṗyā, ), officially known as the Federal Democratic Republic of Ethiopia (የኢትዮጵያ ፌዴራላዊ ዲሞክራሲያዊ ሪፐብሊክ,… (More)

Ethiopia

Ethiopia

Ethiopia (/ˌiːθiˈoʊpiə/; Amharic: ኢትዮጵያ?, ʾĪtyōṗṗyā, ), officially known as the Federal Democratic Republic of Ethiopia (የኢትዮጵያ ፌዴራላዊ ዲሞክራሲያዊ ሪፐብሊክ,… (More)

Ethiopia

Ethiopia

Ethiopia (/ˌiːθiˈoʊpiə/; Amharic: ኢትዮጵያ?, ʾĪtyōṗṗyā, ), officially known as the Federal Democratic Republic of Ethiopia (የኢትዮጵያ ፌዴራላዊ ዲሞክራሲያዊ ሪፐብሊክ,… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Ghana

Ghana

Ghana (/ˈɡɑːnə/), officially the Republic of Ghana, is a sovereign unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic… (More)

Tanzania

Tanzania

Tanzania /ˌtænzəˈniːə/, officially the United Republic of Tanzania (Swahili: Jamhuri ya Muungano wa Tanzania), is a large country in Eastern Africa within the… (More)

Tanzania

Tanzania

Tanzania /ˌtænzəˈniːə/, officially the United Republic of Tanzania (Swahili: Jamhuri ya Muungano wa Tanzania), is a large country in Eastern Africa within the… (More)

Benin

Benin

Benin (/bᵻˈniːn/ bǝ-NEEN or /bᵻˈnɪn/ bǝ-NIN; French: Bénin), officially the Republic of Benin (French: République du Bénin) and formerly Dahomey, is a country… (More)

Benin

Benin

Benin (/bᵻˈniːn/ bǝ-NEEN or /bᵻˈnɪn/ bǝ-NIN; French: Bénin), officially the Republic of Benin (French: République du Bénin) and formerly Dahomey, is a country… (More)

Mauritania

Mauritania

Mauritania /mɔːrɪˈteɪniə/ (Arabic: موريتانيا‎‎ Mūrītānyā; Berber: Muritanya or Agawej; Wolof: Gànnaar; Soninke: Murutaane; Pulaar: Moritani; French: Mauritanie… (More)

Mauritania

Mauritania

Mauritania /mɔːrɪˈteɪniə/ (Arabic: موريتانيا‎‎ Mūrītānyā; Berber: Muritanya or Agawej; Wolof: Gànnaar; Soninke: Murutaane; Pulaar: Moritani; French: Mauritanie… (More)

Mauritania

Mauritania

Mauritania /mɔːrɪˈteɪniə/ (Arabic: موريتانيا‎‎ Mūrītānyā; Berber: Muritanya or Agawej; Wolof: Gànnaar; Soninke: Murutaane; Pulaar: Moritani; French: Mauritanie… (More)

Mauritania

Mauritania

Mauritania /mɔːrɪˈteɪniə/ (Arabic: موريتانيا‎‎ Mūrītānyā; Berber: Muritanya or Agawej; Wolof: Gànnaar; Soninke: Murutaane; Pulaar: Moritani; French: Mauritanie… (More)

Publications

2020

  • Tanno, Y., Sudo, N., Kano, M., Mukuralinda, A., Mukantwali, C., Mujawamariya, P., Ruganzu, V., Iiyama, M. . (2020) Recommended modification of porridge and mixture to improve nutrient intake in a village of northern Rwanda. African Journal of Food, Agriculture, Nutrition and Development, https://doi.org/10.18697/ajfand.90.19285
  • Oniki, S., Berhe, M., Negash, T. (2020) Roles of social norms on natural resource management: The case of the communal land distribution program in the northern Ethiopia. Land, 9:. https://doi.org/10.3390/land9020035
  • NISHIGAKI, T., IKAZAKI, K., TSUJIMOTO, Y., ANDRIAMANANJARA, A., RAKOTOSON, T., RAZAFIMBELO, T.. (2020) Soil survey of the east coast and the central highlands indicates need to update Madagascar soil map. Soil Science and Plant Nutrition, https://doi.org/10.1080/00380768.2020.1769452
  • Maeno, K.O., Piou, C., Ghaout, S.. (2020) The desert locust, Schistocerca gregaria, plastically manipulates egg size by regulating both egg numbers and production rate according to population density. Journal of Insect Physiology, https://doi.org/10.1016/j.jinsphys.2020.104020
  • Sakiko Shiratori, Eveline MFW Sawadogo Compaore, Hsiaoping Chien. (2020) Variation of Cowpea Production and Usage in Rural Households: A Comparison between Northern and Southern Burkina Faso. JARQ , https://doi.org/10.6090/jarq.54.263
  • Ishikwa H, Ikazaki K, Iseki K. (2020) Visual observation of cowpea pod elongation to predict nitrogen accumulation in immature seeds. Plant Production Science, https://doi.org/10.1080/1343943X.2020.1828949
  • 團　晴行、沖　陽子、廣内　慎司. (2020) ガーナ内陸低湿地の水田環境下における被覆植物の群落特性. 熱帯農業研究. 熱帯農業研究, https://doi.org/10.11248/nettai.13.68
  • 岡　直子、小出淳司、廣内慎司. (2020) ガーナ北部の女性グループによるため池を利用した野菜向け灌漑. 農業農村工学会学会誌「水土の知」, https://cir.nii.ac.jp/crid/1520853834431161600
  • 岡　直子、小出淳司、降籏英樹. (2020) ガーナ北部の小規模ため池を利用した農業者による組織的な灌漑の実現可能性と課題― タマレ近郊農村での農業者参加試験に基づく実証分析 ―. 農業農村工学会論文集, https://doi.org/10.11408/jsidre.88.II_95
  • 小出 淳司、Benedito Isac Tinga, Damião Wetimane Nguluve. (2020) モザンビーク南部における乳牛飼養の制約要因. 開発学研究, 31:. https://agriknowledge.affrc.go.jp/RN/2010936494

2019

  • Iseki, K., Olaleye, O. . (2019) A new indicator of leaf stomatal conductance based on thermal imaging for field grown cowpea. Plant Production Science, https://doi.org/10.1080/1343943X.2019.1625273
  • Ishikawa, H., Drabo, I., Joseph, B.B., Muranaka, S., Fatokun, C., Boukar, O.. (2019) Characteristics of farmers’ selection criteria for cowpea (Vigna unguiculata) varieties differs between north and south regions of Burkina Faso. Experimental Agriculture, https://doi.org/10.1017/S001447971900019X
  • Cai, Y.I., Du, Z.M., Yamasaki, S., Nguluve, D., Tinga, B., Macome, F., Oya, T.. (2019) Community of natural lactic acid bacteria and silage fermentation of corn stover and sugarcane tops in Africa. Asian-Australasian Journal of Animal Sciences, https://doi.org/10.5713/ajas.19.0348
  • Ishikawa, H., Boukar, O., Fatokun, C., Drabo, I. Muranaka, S.. (2019) Comparative analysis of farmers’ selection criteria for cowpea (Vigna unguiculata) varieties in Niger and Burkina Faso. Japan Agricultural Research Quarterly (JARQ), 53:. https://doi.org/10.6090/jarq.53.159
  • Ishikawa, H., Boukar, O., Fatokun, C., Drabo, I. Muranaka, S.. (2019) Comparative analysis of farmers’ selection criteria for cowpea (Vigna unguiculata) varieties in Niger and Burkina Faso. Japan Agricultural Research Quarterly (JARQ), 53:. https://doi.org/10.6090/jarq.53.159
  • Moritsuka, N., Kawamura, K., Tsujimoto, Y., Rabenarivo, M., Andriamananjara, A., Rakotoson, T., Razafimbelo, T. (2019) Comparison of visual and instrumental measurements of soil color with different low-cost colorimeters. Soil Science and Plant Nutrition, https://doi.org/10.1080/00380768.2019.1676624
  • Negash, T., Oniki, S., Berhe, M.. (2019) Dependence level of rural landless households on communal land distribution: evidence from Kilte Awlaelo and Atsbi Wenberta Districts, Tigrai Region Northern Ethiopia. Journal of Land and Rural Studies, 8:. https://doi.org/10.1177 /2321024919883100
  • Iseki, K., Matsumoto, R.. (2019) Effect of seed sett size on sprouting, shoot growth and tuber yield of white guinea yam (Dioscorea rotundata). Plant Production Science, https://doi.org/10.1080/1343943X.2019.1667835
  • Kayama, M., Takenaka, K., Abebe B., Birhane, E. . (2019) Effects of biochar on the growth of Olea europaea subsp. cuspidata and Dodonaea angustifolia planted in Tigray, northern Ethiopia.. 日本緑化工学会誌, https://doi.org/10.7211/jjsrt.45.115
  • Dkhili, J., Maeno, K.O., Hassani, L.M.I., Ghaout, S. Piou, C.. (2019) Effects of starvation and vegetation distribution on locust collective movement. Journal of Insect Behavior, https://doi.org/10.1007/s10905-019-09727-8

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  • Technology Showcase for Sub-Saharan Africa
    Focusing on the results of collaborative research conducted by JIRCAS in recent years, we have compiled technologies that can contribute to the development of sustainable food systems, which are expected to be utilized in the Asia-Monsoon region and Sub-Saharan Africa.
    JIRCAS_TechShowcase_Sub-SaharanAfricaen.pdf5.95 MB