id	keyword
american_scientific_journal-1301	maize
american_scientific_journal-1301	groundnut
american_scientific_journal-1301	row
american_scientific_journal-1301	row groundnut
american_scientific_journal-1301	wap maize
american_scientific_journal-1301	maize maize
american_scientific_journal-1301	yield
american_scientific_journal-1301	planting
american_scientific_journal-1301	weeks
american_scientific_journal-1301	sole
american_scientific_journal-1301	intercropping
american_scientific_journal-1301	growth
american_scientific_journal-1301	crops
american_scientific_journal-1301	treatments