风水作为中国传统在业社会一项选择生在环境的实用技术，积淀了大量与农业生产直接相关的经验，由于受时代的局限，其科学内涵多沉晦不彰，本文从三个方面对此进行钩沉：其一，风水的生气理论与土地肥力的判断；其二，风水对定居点所宜农作物即地利的辨别；其三，风水的水口理论与三角洲的考察标准以及与农业的关系。 Feng Shui is a practical technology that has been chosen to live in the environment in China’s traditional industry and has accumulated a great deal of experience that is directly related to agricultural production. Due to the limitations of the times, its scientific connotation is much more obscure. This article from three aspects First, the theory of feng shui and land fertility judgment; Second, feng shui on the settlements suitable for the identification of agricultural crops; Third, feng shui theory and Delta inspection standards and the relationship with agriculture.