id	keyword
abc-3747	species
abc-3747	root
abc-3747	fig
abc-3747	growth
abc-3747	plants
abc-3747	amaranthus
abc-3747	concentrations
abc-3747	et al
abc-3747	length
abc-3747	biomass
abc-3747	cruentus
abc-3747	tricolor
abc-3747	retroflexus
abc-3747	accumulation