일본 최고급쌀 생산지 니가타현 우오누마산 고시히까리 재배 현황

서지정보

ㆍ발행기관 : 한국국제농업개발학회 ㆍ수록지정보 : 한국국제농업개발학회지 / 28권 / 3호
ㆍ저자명 : 고재권, 박홍규, 구본일, 강신구, 전재범, 김우재, 정지웅, 강경호, 김현순, Keitaro Kanda, 김보경

목차

우오누마 지역의 개황
우오누마의 기상
니가타현의 고시히까리 재배품종
우오누마 고품질쌀 생산 기술
적 요
REFERENCES

영어 초록

Uonuma region in Niigata Prefecture is the place that produces the highest quality rice Koshihikari in Japan. The following is a summary of weather information and Koshihikari cultivation status in the region. The average annual rainfall of Uonuma is varied from 1,400 in high altitude to 2,500mm in lowland. The average annual temperature is around to 10.0 ~ 12.0oC, which is slightly higher than of Cheorwon and Unbong in South Korea. The water resource is affluent because of heavy snowfall. Higher sunshine hour in August has a good effect on grain ripening in Uonuma. In Korea, however, sunshine hour at Cheolwon and Unbong in early maturing cultivar growing area is prone to long in September after than in August. Breeding program for introducing rice blast resistance to Koshihikari started in 1986 in Niigata Prefecture. Finally, Koshihikari BL(introduced blast resistance) varieties have developed no differences of Koshihikari in agronomic traits, qualities, and taste, etc. and have been cultivated since 2005 in farmers’ field. Paddy soil fertility is managed by incorporating rice straw and manure, and nitrogen fertilizer is applied at rate of 3 ~ 5 kg/10 a. Transplanting date is May 15 to May 20, and transplanting density is 60 ~ 70 hills per 3.3m2. Midsummer drainage is applied when the tiller number reached to 280 until 360 per 3.3m2. Optimal accumulated temperature from heading to harvest is 950 ~ 1000oC. Target yield of brown rice is 510 kg/10 a.

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