id	keyword
american_scientific_journal-752	leaf
american_scientific_journal-752	cyanobacteria
american_scientific_journal-752	soil
american_scientific_journal-752	weight
american_scientific_journal-752	lettuce
american_scientific_journal-752	dry
american_scientific_journal-752	application
american_scientific_journal-752	growth
american_scientific_journal-752	control
american_scientific_journal-752	biofertilizer
american_scientific_journal-752	plant-1