id	keyword
brj-23144	biochar
brj-23144	soil
brj-23144	et al
brj-23144	arabidopsis
brj-23144	doi
brj-23144	cui
brj-23144	article
brj-23144	metal
brj-23144	helleri
brj-23144	plant
brj-23144	application
brj-23144	hyperaccumulator
brj-23144	cadmium