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浙江省青田县地处浙南山区，有水田面积10200hm2，常年种植杂交水稻9000hm2。1995年从中国水稻研究所引进了刀优2070等组合进行试种。经两年试种结果，该组合表现产量高、抗逆性强，深受广大农户的欢迎，具有较好的应用前景。（－）产量表现Ⅱ优2070系中国水稻研究所以Ⅱ-32A与
Qingtian County, Zhejiang Province is located in the mountainous areas of southern Zhejiang, paddy field area of 10200hm2, perennial planted hybrid rice 9000hm2.1995 years from the Chinese aquaculture research led by the combination of 2070 and other combinations for trial planting. After two years of trial planting results, the combination of high yield, strong resistance, welcomed by the majority of farmers, has a good prospect. (-) Yield performance Ⅱ You 2070 Department of China Rice Research Ⅱ-32A and