id	keyword
ahs-8343	no3
ahs-8343	­/nh4
ahs-8343	no3 ­/nh4
ahs-8343	ratio
ahs-8343	growth
ahs-8343	root
ahs-8343	rootstock
ahs-8343	cucumber
ahs-8343	plant
ahs-8343	grafting
ahs-8343	nutrient
ahs-8343	shoot
ahs-8343	effect
ahs-8343	nitrate