生态系统结构和功能
structure and function of ecosystem
山地农业生态系统
Upland agricultural ecosystem
农田生态系统结构
Structures of field ecosystems
草地农业生态系统
Grassland farming ecosystem
pastoral agriculture ecological system
Grassland agri-ecosystem
the grassland agro-ecosystem
grassland agroecosystem
grassland agro-ecosystem
grassland agriculture ecosystem
grassland agro ecological system
中国科学院栾城农业生态系统试验站
Luancheng Agro-Ecosystem Experimental Station of Chinese Academy of Sciences
中国科学院栾城农业生态系统试验
Luancheng Agro-Ecosystem Experimental Station of Chinese Academy of Sciences
中国科学院地理研究所农业生态系统试验站
Experiment Station for Agro-ecological Systems
Institute of Geography
acadmia sinica
农业生态系统
agricultural ecological system
Agri-ecosystem
Agro-ecosystem
agricultural ecosystems
agriculture ecological system
Eco-agriculture economic system
agro-ecological system
Agro ecosystem
agroccosystcm
Animal husbandry
Agro-ecology system
agricultaral ecosystem
agroecosystem
Agricultural
agrq-ecosystem
Agriculture e-cosystem
Ecosystem of agriculture
agriculture ecological environment
Agricultural ecosystem
agroecosystems
Agriculture ecosystem
agro－ ecosystem
agricultural eco-system
Agro-ecosystems
agro_ecological system
fertility maintaining practice
agri-ecological system
可持续农业生态系统
Sustainable agro-ecology system