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为提高贵州省冷凉山区水稻产量,利用杂交粳稻“滇杂31”在冷凉山区做高产示范。
In order to increase the rice yield in the cold and mountainous area of Guizhou Province, high-yielding demonstration was made in the cool and cold mountainous area by using the hybrid japonica rice “Dianza 31”.