id	keyword
ahs-3204	fertilizer
ahs-3204	acid
ahs-3204	application
ahs-3204	yield
ahs-3204	chemical
ahs-3204	plant
ahs-3204	perilla
ahs-3204	activity
ahs-3204	mashhad
ahs-3204	ardehal
ahs-3204	humic
ahs-3204	biologic