id	keyword
american_scientific_journal-4673	water
american_scientific_journal-4673	irrigation
american_scientific_journal-4673	area
american_scientific_journal-4673	canal
american_scientific_journal-4673	system
american_scientific_journal-4673	pricing
american_scientific_journal-4673	saedawgyi
american_scientific_journal-4673	farmers
american_scientific_journal-4673	solutions
american_scientific_journal-4673	challenges