id	keyword
american_scientific_journal-4113	poultry manure
american_scientific_journal-4113	irrigation
american_scientific_journal-4113	plant
american_scientific_journal-4113	irrigation levels
american_scientific_journal-4113	table
american_scientific_journal-4113	leaf
american_scientific_journal-4113	water
american_scientific_journal-4113	soil
american_scientific_journal-4113	rates
american_scientific_journal-4113	pepper
american_scientific_journal-4113	number
american_scientific_journal-4113	weight
american_scientific_journal-4113	root
american_scientific_journal-4113	yield
american_scientific_journal-4113	increase
american_scientific_journal-4113	mean
american_scientific_journal-4113	effects
american_scientific_journal-4113	20t
american_scientific_journal-4113	research