汉代岭南农业发展的地域差异

汉代岭南农业发展的地域差异体现在时问、农作物、农业技术以及特定地域范围等众多方面。汉代岭南地区按农业发展水平的高低，可依次分为东部、中部和西南部三大地域。东部地域主要指南海郡，这是汉代岭南地区农业发展水平最高的地域，其中尤以番禺一带更为突出；中部地域主要包括苍梧郡、郁林郡和合浦郡等，这是汉代岭南地区农业发展水平较高的地域；西南部地域主要包括交趾郡、九真郡、日南郡和今海南岛等，这是汉代岭南地区农业发展水平较低的地域。

Regional Difference of Lingnan Agriculture Development in the Han Dynasty

In Lingnan territory the agricultural development was different regionally in time, crops, agrotechniques and specific limits of region etc. Depending on their developing levels, this vast territory could be sorted into three parts. The eastern region is Nanhai Prefecture, which was the most advanced part in the Han times, particularly the Pan yu belt; The central part includes Cangwu. Yulin and Hepu three Prefectures, where was more advanced in that times. the southwestern part includes Jiaozi.Jiu zhen.Rinan Prefectures and Hainan island, this Region was less advanced in the Han Dynasty.