Open-air sugarcane. Anhui open-air sugarcane is planted in spring and autumn, and Huainan, Anhui Province is suitable for planting open-air sugarcane from the end of June to the middle of March and from August to the end of September. This time is suitable for sugarcane growth in Anhui open field. The sugarcane planted in Anhui open field at the latest at the end of September is planted by seeds.