id	keyword
cet-14791	system
cet-14791	growth
cet-14791	plant
cet-14791	pgc
cet-14791	pak
cet-14791	choi
cet-14791	relative
cet-14791	temperature
cet-14791	hydroponic
cet-14791	study
cet-14791	agriculture
cet-14791	food