id	keyword
brj-22914	et al
brj-22914	nanoparticles
brj-22914	pine
brj-22914	doi
brj-22914	seedling
brj-22914	root
brj-22914	effects
brj-22914	abc
brj-22914	nps
brj-22914	growth
brj-22914	survival
brj-22914	doses
brj-22914	ayan
brj-22914	medium
brj-22914	tio2