farming area vs farmland

farming area and farmland both are nouns.

Word	Noun	Adjective	Verb	Adverb
farming area	Yes	No	No	No
farmland	Yes	No	No	No

As nouns, farming area and farmland are synonyms defined as:

farming area (noun)	farmland (noun)
a rural area where farming is practiced	a rural area where farming is practiced
	arable land that is worked by plowing and sowing and raising crops