# JIRCAS

the global BNI-maize assessment published in Environmental Research Letters (July 2026) includes Corteva-aligned authors alongside JIRCAS and CIMMYT, modelling a pathway to commercial BNI-maize hybrids.

Source: https://en.bioecon.ru/companies/jircas/
Updated: 2026-07-07

- Country: Japan

## Verifiable facts

| Fact | Value | Source |
| --- | --- | --- |
| Affiliation | Japan International Research Center for Agricultural Sciences (JIRCAS) | https://cgspace.cgiar.org/items/4bd73c86-054f-47b7-b8c4-e2ecd023816c, https://doi.org/10.1088/1748-9326/ae7d42, https://www.cimmyt.org/funder_partner/jircas/, https://www.cimmyt.org/projects/cropsustain-bni-wheat-mission/, https://www.jircas.go.jp/en/program/proa/a3, https://www.jircas.go.jp/en/program/program_a/bni |
| Research focus | Biological Nitrification Inhibition (BNI) technology in crops including maize and wheat | https://doi.org/10.1088/1748-9326/ae7d42, https://iopscience.iop.org/article/10.1088/1748-9326/ae7d42, https://www.jircas.go.jp/en/program/proa/a3 |
| Facility | Tropical Agriculture Research Front (TARF) in Ishigaki, Okinawa, Japan | https://opportunitiesforyouth.org/2026/08/12/jircas-visiting-research/, https://www.jircas.go.jp/sites/default/files/publication/annual_report/annual_report-2023_-.pdf |
| Facility | Tsukuba International House (TIH), Tsukuba, Japan | https://opportunitiesforyouth.org/2026/08/12/jircas-visiting-research/ |
| Grant | Novo Nordisk Foundation mission funding for CropSustaiN BNI Wheat Mission | https://www.cimmyt.org/projects/cropsustain-bni-wheat-mission/ |
| Publications | The impacts of biological nitrification inhibition-enabled maize on global nitrogen fertilizer consumption and greenhouse gas emissions (Environmental Research Letters, July 2026) | https://doi.org/10.1088/1748-9326/ae7d42, https://iopscience.iop.org/article/10.1088/1748-9326/ae7d42 |
| Principal staff | Ai Leon (JIRCAS) | https://doi.org/10.1088/1748-9326/ae7d42, https://iopscience.iop.org/article/10.1088/1748-9326/ae7d42, https://preview-www.nature.com/articles/s41598-023-39720-3 |
| Principal staff | Guntur V. Subbarao (JIRCAS) | https://doi.org/10.1088/1748-9326/ae7d42, https://iopscience.iop.org/article/10.1088/1748-9326/ae7d42, https://preview-www.nature.com/articles/s41598-023-39720-3 |
| Principal staff | Tadashi Yoshihashi (JIRCAS) | https://doi.org/10.1088/1748-9326/ae7d42, https://iopscience.iop.org/article/10.1088/1748-9326/ae7d42, https://preview-www.nature.com/articles/s41598-023-39720-3 |

Independent sources: cgspace.cgiar.org, cimmyt.org, doi.org, iopscience.iop.org, opportunitiesforyouth.org, preview-www.nature.com

## Technologies

- [Biological nitrification inhibitors](https://en.bioecon.ru/technology/biological-nitrification-inhibitors/)