This page is providing the production trends of Japanese yam in Niigata-ken for 5 years (2007 - 2022). You can check various data in chart style, such as yield amount, acreage, yield rank/ratio in Japan.
The yield amount of Japanese yam in Niigata-ken is decreasing by 38.3% from 2007 to 2022, and the acreage is decreasing by 49.3%.
The yield amount of Japanese yam in overall Japan is decreasing by 17.4% from 2007 to 2022, and the production ratio for Niigata-ken is decreasing by 0.21%.
With regards to Japanese yam, the yield percentage for Niigata-ken in overall Japan is decreasing by 0.21% from 2007 to 2022, and the order of yield amount in Japan is the highest: 10 rank, the lowerst: 14 rank, the average: 11.6 rank.
The yield amount of Japanese yam in Niigata-ken is decreasing by 38.3% from 2007 to 2022, and the Yield per 10 acers is increasing by 21.5%.
Niigata-ken -
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