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1 “油制稻”三熟应具备的农业生态条件榕江县杂交稻制种基地能成功地开发应用“油制稻”三熟制,其具备的农业生态条件为:海拨260～265m、年均气温18.1℃、年降雨量1195.9mm,年日照时数1312.6h(小时),无霜期310d(天)。地势开阔平坦,土质肥沃均衡,区间气候差异小,水源丰富,水利设施完
1 “oil rice ” Third, the conditions should have the agro-ecological Rongjiang County hybrid rice seed base can successfully develop the application of “oil rice ” three cooked system, with the agro-ecological conditions: 260 ~ 265m, annual average temperature of 18.1 ℃, annual rainfall of 1195.9mm, annual sunshine hours 1312.6h (hours), frost-free period 310d (days). Flat terrain open, fertile soil fertility balance, the climate difference is small, abundant water, water conservancy facilities End