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广州地理研究所自1979年恢复工作以来,积极开展了广东省农业自然资源调查与农业区划研究,至1980年已有部分研究取得了成果,其中有两项获得了广东省优秀成果奖。《乐东县农业自然资源调查与农业区划》是我国热带、南亚热带土地资源调查与热带作物区划的试点,由广东省农业区划办公室组织有关单位共同协作开展研究,广州地理所承担其中的土地类型、土地利用、土地资源、地貌类型与区划、综合自然区划和综合农业区划等6项。从1979年开始,与兄弟单位协作,利用1/3万航片和1/2.5万地形图的判读分析,并进行野外调查,较系统地进行了乐东县土地分类和土地资源、地貌类型等级的划分与评价,调查了各种土地利用现状及存在问题,量算了面积。按照地域分异规律、综合自然特征和类型结构,进行了地貌区划和综合自然区划,把全县分为4个地貌
Since its restoration in 1979, the Guangzhou Institute of Geography has actively carried out research on agricultural natural resources and agricultural zoning in Guangdong Province. By 1980, some studies have yielded results, of which two won the Outstanding Achievement Award of Guangdong Province. “Ledong County Agricultural Natural Resources Surveys and Agricultural Zoning” is a pilot project of China’s tropical and southern subtropical land resources survey and tropical crop zoning. Organized by the Guangdong Provincial Agricultural Zoning Office, the relevant units work together to carry out research, and the Guangzhou Geography undertakes the land type , Land use, land resources, landform types and zoning, comprehensive natural zoning and comprehensive agricultural zoning 6 items. Since 1979, in collaboration with fraternal units, the interpretation of 1 / 30,000 airplanes and 1 / 25,000 topographic maps has been conducted and field investigations conducted to systematically conduct land classification and land resources and landform types in Ledong County Of the division and evaluation, surveyed a variety of land-use status and problems, measured the area. According to the law of regional differentiation, combining the natural features and the type structure, the division of landform and the comprehensive natural division were conducted. The whole county was divided into four landforms