id	keyword
ahs-2968	irrigation
ahs-2968	crop
ahs-2968	oxygation
ahs-2968	soil
ahs-2968	control
ahs-2968	water
ahs-2968	yield
ahs-2968	fruit
ahs-2968	treatments
ahs-2968	leaf
ahs-2968	pineapple
ahs-2968	ratoon
ahs-2968	table
ahs-2968	total
ahs-2968	root
ahs-2968	plant
ahs-2968	use