id	keyword
american_scientific_journal-7695	radiation
american_scientific_journal-7695	adjuvant
american_scientific_journal-7695	days
american_scientific_journal-7695	herbicide
american_scientific_journal-7695	amicarbazone
american_scientific_journal-7695	degradation
american_scientific_journal-7695	solar
american_scientific_journal-7695	sulfentrazone
american_scientific_journal-7695	straw