1. 火耕水耨是原江南非汉族稻作技术的特征。
The main difference between the two kinds of rice cultivation is not culture but techniques.
2. 南方原始稻作农业区，采用自然农业体系的耕作方法，火耕而水耨，长期落后于黄河流域的文明发展。
In area of primitive rice, natural agricultural methods was used, slash-and-water cultivation, so, civilization of primitive rice had fall behind that of Yellow river and however had a powerful developmental potential.