长丰县位于安徽省中部,地处江淮分水岭,地貌习惯称江淮丘陵。气候特点为四季分明,季风明显,气候温和,日照充足,无霜期长,严寒期短,适宜各种农作物生长。栽培的主要农作物为粮、油、棉、瓜果、蔬菜。耕地面积2003年末为90000公顷,其中水田为68700公顷,旱地为21300公顷。一、长丰 Changfeng County is located in the middle of Anhui Province, is located in the Jianghuai watershed, habitat called Jianghuai hills. Climatic characteristics of four distinct seasons, clear monsoon, mild climate, adequate sunshine, frost-free period, short period of cold, suitable for a variety of crop growth. The main cultivated crops for grain, oil, cotton, fruits, vegetables. The area of ​​arable land was 90,000 hectares by the end of 2003, of which 68,700 hectares were paddy fields and 21,300 hectares were dry land. First, Changfeng