id	keyword
agsci-626	irrigation
agsci-626	water
agsci-626	soil
agsci-626	yield
agsci-626	wheat
agsci-626	texture
agsci-626	treatment
agsci-626	wastewater
agsci-626	quality
agsci-626	grain
agsci-626	irrigation water
agsci-626	productivity
agsci-626	table