论文部分内容阅读
洱源是高原明珠洱海的发源地,位于云南省西北部,大理白族自治州北部。属北亚热带高原季风气候类型,气候温和、湿润,春暖、冬旱,夏秋多雨,立体气候和区域性小气候明显,年平均气温13.9℃,年平均降水量732 mm,年平均日照时数2 061~2 439小时,县境内水利资源丰富,有两大水系,4个湖泊,6条河流,十分有利于水稻种植生长。洱源县常年种植水稻面积15万亩左右,优质水稻面积占90%,为
Eryuan is the birthplace of the plateau Pearl Erhai Lake, located in the northwestern Yunnan Province, northern Dali Bai Autonomous Prefecture. It belongs to the northern subtropical monsoon climate type, with mild climate, humid climate, warm spring, winter drought and summer and autumn rainy days. The three-dimensional climate and regional microclimate are obvious. The annual average temperature is 13.9 ℃, the average annual rainfall is 732 mm, and the annual average sunshine duration is 2 061 ~ 2 439 hours, the county is rich in water resources, there are two major water systems, four lakes, six rivers, is very conducive to the growth of rice. Eryuan County perennial planting area of about 15 acres of rice, high-quality rice accounted for 90% of the area