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178. Impact of national institutions and policies on the trade-off between crop yields and nitrogen pollution

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At the JIRCAS 50th Anniversary Symposium held online on November 10, 2020, the urgent need for Great Food Transformation to aim for quality food and nutrition supply within the sustainable boundaries of the earth was discussed in the context of agricultural development in the post-COVID-19 era. One of the issues raised was the development and dissemination of technology for improving fertilizer use efficiency, which is indispensable for maintaining and improving crop yields. 

A paper published in Nature Food in November 2020 provided an analysis of the influence of national institutions and policies onfarmers' decision-making regarding crop cultivation and technology adoption to address the trade-off between improving yields with nitrogen fertilizers and minimizing environmental impact, and made recommendations on how national governments can reduce global nitrogen pollution without having to sacrifice much agricultural production.

The article is available at:

David Wuepper et al. Countries influence the trade-off between crop yields and nitrogen pollution, Nature Food (2020). DOI: 10.1038/s43016-020-00185-6

Contributor: IIYAMA Miyuki (Research Strategy Office)

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