1) Agriculturally viable 2) Arable soil 3) Capable of being cultivated 4) Capable of cultivation 5) Capable of producing crops 6) Crop-ready 7) Cultivable 8) Cultivatable 9) Farmable 10) Fertile 11) Fine for farming 12) Fit for crop production 13) Fit for crops 14) Fit for cultivation 15) Fit for farming 1) Cultivable 2) Cultivatable 3) Productive 4) Tillable 
Arable əl relates to the growing of crops: ...
[land] fit for tillage (OED)
• (a.) Fit for plowing or tillage; -- hence, often applied to land which has been plowed or tilled. • (n.) Arable land; plow land.
Growing a crop or crops in agriculture.
[land] fit for tillage (OED)
Land that is fit for cultivation.land suitable for ploughing and raising crops(Living things in their environment) land for growing crops
Ar'a·ble adjective [ French arable , Latin arabilis , from arare to plow, akin to Greek ..., English ear , to plow. See Earable .] Fit for plowing or tillage; -- hence, often applied to land which has been plowed or tilled. Ar'a·ble noun Arable land; plow land. 
[adj] - (of farmland) capable of being farmed productively
cultivable adjective (of farmland) capable of being farmed productively
Suitable for cultivation; tillable.
capable of producing crops; suitable for farming; suited to the plow and for tillage: arable land; arable soil.