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榕江县位于贵州省东南部 ,都柳江上游 ,年均温18.1℃ ,≥ 10℃年积温 5717℃ ,无霜期 310 d,年均降雨量 12 11mm,年日照时数 1312 h,具有热量充足、雨量充沛、无霜期长、昼夜温差大等特点 ,尤其适合发展早熟蔬菜。由于榕江是少数民族聚居地区 ,贫穷落后 ,早熟蔬菜的发展刚刚起
Rongjiang County is located in the southeastern Guizhou Province and the upper reaches of Du Liujiang River with annual average temperature of 18.1 ℃, accumulated temperature of ≥ 10 ℃ of 5717 ℃, frost-free period of 310 d, annual rainfall of 12 11 mm and annual sunshine duration of 1312 h. Plenty, long frost-free period, large temperature difference between day and night and other characteristics, especially for the development of precocious vegetables. As Rongjiang is a minority nationality inhabited by poverty-stricken areas, the development of precocious vegetables has just started