衡东县
- 网络Hengdong;hengdong county
衡东县-
基层农业技术推广体系的调查与思考&以湖南省衡山县、衡东县为例
A Finding Report and Reflections of the Spreading System of the Basic-level Agricultural Technology
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自然环境资源是进行农业生产的基础，利用能值理论可评估出衡东县环境资源对农业生产的贡献及其真实价值。
Natural resources are the basis for agriculture production of which real value and contribution to the economy were evaluated by using emergy theory .