ara-

(Latin: to plow, plowing)

arability (s) (noun) (no pl)
The capability or aptness of an agricultural or farming area that can supply edible plants: Vegetables, wheat, oats, corn, apples, pears, grapes, peaches, strawberries, and cherries are just a few of the kinds of food which the arability of soil can be used by cultivators to accomplish the production of more nourishment for people and animals to consume.
arable (s) (noun), arables (pl)
1. Terrain that is suitable or fit for planting and growing crops: Tom and his ancestors have been using the arables in his area for multiple years to produce a number of agricultural products.
2. Etymology: from Latin arabilis; from arare, "to plough" or "to plow".
arable (adjective), more arable, most arable
1. Relating to land that is good for farming by producing crops that require plowing and tillage: Although arable earth has been used in many countries for centuries, the technical processes have changed from primitive methods of using animals to pull the plows to modern motorized tractors to accomplish more results for the growing of edible food for the populations of the world.

Some geographical areas are simply too rocky to be arable or farmable.

There are a some nations that have been able to convert some expanses of desert sand into arable soil with special irrigation and agricultural techniques.

Arable farming is essential for the existence or livelihood of people wherever they live in this world.

2. Etymology: the current term of arable may have been introduced in an effort to "correct" the earlier English terms erable, earable derived from Old English erian, "to plow" by replacing it with a Latinate spelling of arable.

By the 1700s. erable and its variants stopped being used.

—Compiled from information located in
The Barnhart Dictionary of Etymology; The H.W. Wilson Company;
Bronxville, New York; 1988; page 47.
arableness (noun) (usually no plural)
The capacity for soil to produce or to support various kinds of vegetation: Weather conditions are factors that either enhance or diminish the arableness of agricultural harvests.
inarable (adjective), more inarable, most inarable
Relating to ground that is incapable of being plowed and cultivated to yield any normal plants: A desert is just one geographical area that is usually an inarable place to grow crops that can be utilized for human and animal consumption.

Since Mexico is primarily mountainous, it has been estimated that about 85% of the country is considered to be inarable.