Open field evaluation of the impacts of climate change and efficacy of adaptation and mitigation measures

-Free-Air Concentration Enrichment, Test bed for the effects of elevated CO2 on rice paddy under open fields conditions - supported by the Ministry of Agriculture, Forestry and Fisheries of Japan project, "Development of mitigation and adaptation techniques to global warming in the sectors of agriculture, forestry, and fisheries." -

The first Rice FACE in Shizukuishi, Lat/Lon: 39°38′N, 140°57′E (1998-2008)


Tsukuba FACE, Ibaraki
Lat/Lon: 35°58′28.57″N, 139°59′36.98″E (2010-)
Diameter: 17 m


CO2 is released from windward sides of the ring, targeting 200 ppm above the ambient. In each CO2 ring, 20 varieties,3 N levels and 2 soil/temperature levels are nested as sub-plots.