Agriculturally viable is a term used to describe land that is suitable for agriculture. However, there are many synonyms that can be used in its place. Some options include agriculturally productive, fertile, arable, cultivable, tillable, and farmable. These terms all indicate that the land is suitable for planting and growing crops. Other synonyms that can be used to describe agriculturally viable land include tillage, farmland, cropland, and arable land. Using these synonyms can help to provide more variety and depth to your writing, as well as make it more interesting and engaging for readers.