This page is providing the production trends of Japanese yam in Nagano-ken for 10 years (2011 - 2020). 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 Nagano-ken is decreasing by 16.1% from 2011 to 2020, and the acreage is decreasing by 18.5%.
The yield amount of Japanese yam in overall Japan is increasing by 2.8% from 2011 to 2020, and the production ratio for Nagano-ken is decreasing by 0.88%.
With regards to Japanese yam, the yield percentage for Nagano-ken in overall Japan is decreasing by 0.88% from 2011 to 2020, and the order of yield amount in Japan is the highest: 3 rank, the lowerst: 3 rank, the average: 3 rank.
The yield amount of Japanese yam in Nagano-ken is decreasing by 16.1% from 2011 to 2020, and the Yield per 10 acers is increasing by 3%.
Nagano-ken -
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