川江河谷带气候特征及发展荔枝龙眼优势条件分析

Analysis of the characteristics of climate and the future to develop litch and longan in the valley zone of Sichuan Yangtse River

川江河谷带是我国内陆区水热条件十分优越的一块特殊区域 ,南亚热带水果荔枝、龙眼在该区有十分悠久的种植历史 .本文讨论了川江河谷带气候类型的划分问题 ,分析了四川荔枝、龙眼对气候、土壤条件的基本要求 ,并阐述了该地区发展荔枝、龙眼的气候、土地、土壤、品种资源等多方面优势 。

Sichuan Yangtse River valley zone is a piece of valuable land of our country where there are rich in precipitation and warm condition, and south sub tropic fruits litchi ( Litchi chinensis ) and longan ( Dimocarpus longan lour ) have a long history of cultivation.The problem of division about the kind of climatic zone of Sichuan Yangtse River valley was discussed, the basic demands on climate and soil condition for Sichuan litchi and longan growing were analyzed and the advantages of climate, land, soil and species resources for litchi and longan planting were expounded. The future to develop litchi and longan cultivation was forecasted.