The climate-ecological zoning is conducted of rice planting and results show that there are seven zones classified for early rice and six for the medium and the late respectively.

• 利用模糊聚类分析，进一步对我国水稻种植区域作了气候生态类型区划，结果早季稻划分为七个类型区，中季稻和晚季稻可划分为六个类型区。