id	keyword
agb-188	agricultural
agb-188	productivity
agb-188	income
agb-188	farmers
agb-188	farm productivity
agb-188	extension
agb-188	services
agb-188	insurance
agb-188	access
agb-188	machinery
agb-188	et al
agb-188	doi
agb-188	study
agb-188	extension services
agb-188	technology