The farmers planted a huge crop.
This community could use a fresh cash crop.
My crop will be blighted!
Her crop top and mini skirt were quite immodest.
Crop
The sentence "Potatoes are an ancient crop" is a declarative sentence. The simple subject of the sentence is "potatoes."
There were locusts in the backyard that ate my crops.
you didnt finish the sentence
The adjective in the sentence is large (describes the noun crop).The noun in the sentence is grapes (object of the preposition 'of').
The heavy rainfall caused the leaching of nutrients from the soil, leading to poor crop growth.
the manure next to the barn smells like crap.
Potatoes
Maize is an arable crop, that is fed to hogs, and human also eat it as 'corn on the cobb'.