论文部分内容阅读
前言 1988年冷凉的夏季气候,给与北海道的一部份地区和东北到关东东山的广大地区的稻作以很大的冲击。稻米的故乡东北地区的产量指数显著降低到85(全国97),该年因冷害使全国稻米减产86.2万吨,价值达2.635亿日元。由于1980年7—9月的全国性的异常气候,全国的产量指数降低到87,减产
Foreword The cool summer climate of 1988 brought a great impact on paddy fields in parts of Hokkaido and in the northeast to the vast east Kansu-Dongshan region. The yield index of northeast China, the hometown of rice, dropped significantly to 85 (nationwide 97). In that year, the national rice production was reduced by 822,000 tons due to chilling damage, reaching a value of 263.5 billion yen. Due to the nationwide anomalous climate from July to September 1980, the country’s production index has dropped to 87 and production has been reduced