id	keyword
ahs-8252	water
ahs-8252	plant
ahs-8252	irrigation
ahs-8252	stress
ahs-8252	lettuce
ahs-8252	deficit
ahs-8252	et al
ahs-8252	cal
ahs-8252	calcium
ahs-8252	content
ahs-8252	activity
ahs-8252	drought
ahs-8252	leaf
ahs-8252	antioxidant
ahs-8252	effect
ahs-8252	yield
ahs-8252	growth
ahs-8252	etc
ahs-8252	sci
ahs-8252	leaves
ahs-8252	values
ahs-8252	water deficit
ahs-8252	lactate