[ Agriculture ] Japanese yam - Crops -
Japanese yam - Production trends (total in Japan)
yield x acreage
The yield amount of Japanese yam in Japan is decreasing by 18.2% from 2006 to 2022, and the acreage is decreasing by 22.4%.
yield x yield per 10 ares
The Yield per 10 ares for Japanese yam is increasing by 5.3%.
Japanese yam - Overview
| Classification | cropspotatoes |
|---|---|
| 収穫部位 | Tuber |
| Cultivars | Tsukune imo, Maru imo, Yamato imo, Ise imo, Jinenjyo |
| Representative Prefectures | Hokkaido, Aomori-ken, Gunma-ken, Chiba-ken, Nagano-ken |
| Best season |
March, June, July, August, November, December [Displaying the periods that the quantity on the market for the representative cultivar is large.] |
| Major dish/processed food | |
| Related to farmworks | Farmworks for pretreating seed, Farmworks for raising seedling, Farmworks for cultivating, Farmworks for fertilizing basal, Farmworks for sowing, Farmworks for transplanting, Farmworks for fertilizing additional, Farmworks for controlling pest, Farmworks for weeding, Farmworks for controlling growth, Farmworks for harvesting, Farmworks for adjusting postharvest, Farmworks for shipping, Farmworks for laboring indirect, Farmworks for managing general |
Japanese yam - High-ranking yield districts(prefecture)
Agriculture ranking by districts(prefectures) [Japanese yam] (All prefectures)
| # | Prefectures | Yield Amount | Yield Amount ratio | Shipping Amount | Shipping Amount ratio | Crop Acreage | Crop Acreage ratio | Productivity Per 10 Acre |
|---|---|---|---|---|---|---|---|---|
| - | Japan | 157,200(t) | - | 133,300(t) | - | 6,630(ha) | - | 2,370(kg) |
| 1 | Hokkaido | 77,500(t) | 49.3% | 66,100(t) | 49.6% | 1,880(ha) | 28.4% | 4,120(kg) |
| 2 | Aomori-ken | 45,500(t) | 28.9% | 41,500(t) | 31.1% | 2,240(ha) | 33.8% | 2,030(kg) |
| 3 | Nagano-ken | 6,440(t) | 4.1% | 4,920(t) | 3.7% | 263(ha) | 4.0% | 2,450(kg) |
| 4 | Chiba-ken | 5,650(t) | 3.6% | 4,150(t) | 3.1% | 475(ha) | 7.2% | 1,190(kg) |
| 5 | Gunma-ken | 4,450(t) | 2.8% | 3,600(t) | 2.7% | 390(ha) | 5.9% | 1,140(kg) |
| 6 | Iwate-ken | 2,790(t) | 1.8% | 2,310(t) | 1.7% | 173(ha) | 2.6% | 1,610(kg) |
| 7 | Ibaraki-ken | 2,750(t) | 1.7% | 2,300(t) | 1.7% | 104(ha) | 1.6% | 2,640(kg) |
| 8 | Saitama-ken | 1,610(t) | 1.0% | 1,290(t) | 1.0% | 162(ha) | 2.4% | 994(kg) |
| 9 | Tottori-ken | 1,400(t) | 0.9% | 1,190(t) | 0.9% | 53(ha) | 0.8% | 2,640(kg) |
| 10 | Niigata-ken | 1,000(t) | 0.6% | 893(t) | 0.7% | 68(ha) | 1.0% | 1,470(kg) |
Japanese yam - Cultivation condition
Japanese yam is well grown under the conditions where the temperature is between 25 and 30 degrees Celsius,it likes hot and humid climate and the temperature difference between day and night.
Crops Memo
Japanese yam
[Japanese Yam] is a kind of potatoes. This potato is sticky(after peeling) and he mouth-feel is crisp and it is suitable for traditional Japanese dishes. It is frequently eaten by grating. Putting the grated yam on rice is one of common way to eat in Japan. Or the grated yam is put into other foods as one of ingredients, or it is eaten as soup or salad etc.. [Japanese Yam] is pronounced as "Ya-ma-i-mo" in Japanese. [Grated yam] is pronounced as "To-ro-ro".
Highlighted farmer's posts
About this page for [Japanese yam]
This [Japanese yam] page consists of 2 kind information below.
- Posted information about [Japanese yam], provided by the registered farmers in [Japan CROPs]
- General information about [Japanese yam], provided by [Japan CROPs] executive office
With regards to the posted information registered by farmers, please contact farmers if you have questions. With regards to the general information registered by [JapanCROPs] executive office, please see the explanation "About the general information..." below.
About the posted information regarding [Japanese yam], provided by the registered farmers
As of December 21 2024, the number of the registered farmers (agricultural workers) who produces [Japanese yam] is 0, the registered products (crops) related to [Japanese yam] is 0, and the registered articles related to [Japanese yam] is 0. (Those figures might contain the number of sample posts. Please be aware of it.)
About the general information regarding [Japanese yam], provided by [Japan CROPs] executive office
The general information about [Japanese yam], provided by [JapanCROPs] executive office consists of 2 kind information. The information published by outside organization such as Japanese goverment statistics bureau, and the information provided from executive office's view or research. If the information source is not listed at the article in the page, the article or the information are the information from [JapanCROPs] executive office's view point or our research.
Executive office will continue to add the information on [Japanese yam] in order to get oversea and domestic people's attention about Japanese crop, farmer, agriculture etc..
If you have opinion/question, or you find mistakes/errors, please free to contact us through contact form in [JapanCROPs].
To the farmers who produce and sell [Japanese yam] in Japan
[JapanCROPs] executive office is looking for the farmers who produces and sells [Japanese yam] in Japan. In this site, you can freely submit various information such as your products, your own information, and others that is related to the sales promotion of your crop [Japanese yam], to oversea and domestic people who is interested in Japanese crops .
If you have the environment where you use internet, you can use [JapanCROPs] free after completing the registration and our verification. You can browse and manipulate [JapanCROPs] by PC, smartphone and tablet terminal.
You can submit the information to oversea people and customers through [JapanCROPs] easily.
If you are intered in submitting your crop information, please register the information through this link.
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