Among hundreds of Japanese rice, the most popular one goes to Koshihikari, accounting for 1/3 of the national produce in Japan.
Although Koshihikari is planted across Japan, produce from different areas have a subtle difference in taste and texture due to their geographical differences.
The most famous one is Koshihikari produced in Niigata.
Niigata faces the Sea of Japan, a region with diverse environment due to plenty of snow.
Geographically, this coastal prefecture rises above the plain similar in size as Tokyo and is irrigated by the water rich in minerals from the Shinano River, the longest river in Japan, which combined to produce the tasty Niigata rice.
The climate in Niigata is ideal for the growth of rice, with a lot of sunny days in summer, long day light and a big difference in temperature in day time and night time, which is perfect for the growth of rice.
Koshihikari produced in Uonuma region within Niigata prefecture is the best Japanese rice among the best, accounting for only 1% of the national produce.
Uonuma is located in the south of Niigata, surrounded by mountains with moist soil irrigated by natural rivers. Uonuma is among regions with the most snow in Japan.
In spring, when the snow from winter melts, the fields enjoy plenty of water from the melting snow containing high oxygen and low pollution.
The taste of Koshihikari produced in the rich fields of Uonuma is unforgettable.
Uonuma region is an alluvial plain created by the Uonuma River, Aburuma River and Shinano River. It is low in nitrogen and suitable for growing rice of high taste grade and glow.
Uonuma is a basin with a big difference in temperature in day time and night time. As the rice must store large quantity of starch to resist the severe climate, it is round and plump.
With all these favourable conditions, there is no question for the “best rice production region in Japan” of Uonuma.