论文部分内容阅读
贵州省海拔600米以下,年均温18℃左右,秋季光、热、水条件较好的地区,利用杂交稻收割后至秋种前的一段空闲期间,蓄留一季再生稻,是提高稻田利用率,扩大杂交稻增产领域,促进水稻生产发展的一条新途径。1985年,本省部分低热地区利用杂交水稻蓄留再生稻获得成功,以后逐年有所发展。1988年全省
Guizhou Province has an elevation of 600 meters below sea level and an average annual temperature of about 18 ℃. In the areas where the light, heat and water conditions are good in autumn, a quarter of ratooning rice is used to improve the utilization of paddy fields Rate, expand the area of hybrid rice increase production, promote rice production and development of a new way. In 1985, the utilization of hybrid rice as regenerative rice in some areas with low heat in the province was successful, and it has been gradually developed year after year. The province in 1988