id	keyword
agsci-488	intercropping
agsci-488	maize
agsci-488	weed
agsci-488	yield
agsci-488	system
agsci-488	plant
agsci-488	soil
agsci-488	crops
agsci-488	effect
agsci-488	groundnut
agsci-488	diseases
agsci-488	growth
agsci-488	control