id	keyword
agb-438	green
agb-438	yunnan
agb-438	et al
agb-438	agricultural
agb-438	metal
agb-438	technologies
agb-438	innovation
agb-438	revitalization
agb-438	development
agb-438	technology
agb-438	plateau
agb-438	policy
agb-438	doi
agb-438	pollution
agb-438	china
agb-438	research
agb-438	study