1) Farm country resource 2) Much of the Plains States 
(from the article `grassland`) Grasslands frequently have been converted to cropland on which edible grains are grown; this allows food for humans to be taken directly from the ...
Areas that are planted to grain or row crops, or that are plowed and left fallow. Usually these areas receive some tillage each year
Land used primarily for the production of row crops, close-growing crops, and fruit and nut crops. I
Land used regularly for the production of crops, except forest crops.
Land devoted to the production of cultivated crops. May be used to produce forage crops.
land suitable for or used for the cultivation of crops.