id	keyword
hungeobull-561	cover
hungeobull-561	crops
hungeobull-561	soil
hungeobull-561	j.a
hungeobull-561	olive
hungeobull-561	gómez
hungeobull-561	water
hungeobull-561	cover crops
hungeobull-561	use
hungeobull-561	tree
hungeobull-561	mediterranean
hungeobull-561	management
hungeobull-561	erosion
hungeobull-561	orchards
hungeobull-561	conditions