A Field in Hokkaido (IMAGE) Research Organization of Information and Systems Caption A Japanese farmer working in the field of Northern Japan. The country has long been working on crop breeding including rice for many years. Rice is originally grown in tropics. However, plant breeding techniques enabled rice to grown in colder climate. The plant breeding in early times relied on farmers' intuition, but today, three breeding technologies shown below are used. Credit Photo by Hisashi Urashima Usage Restrictions Only for use with reports of this research. Credit required. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.