Reference

2 Chronicles 14:6

And he built fenced cities in Judah: for the land had rest, and he had no war in those years; because the Lord had given him rest.
4

And commanded Judah to seek the Lord God of their fathers, and to do the law and the commandment.

5

Also he took away out of all the cities of Judah the high places and the images: and the kingdom was quiet before him.

6

And he built fenced cities in Judah: for the land had rest, and he had no war in those years; because the Lord had given him rest.

7

Therefore he said unto Judah, Let us build these cities, and make about them walls, and towers, gates, and bars, while the land is yet before us; because we have sought the Lord our God, we have sought him, and he hath given us rest on every side. So they built and prospered.

8

And Asa had an army of men that bare targets and spears, out of Judah three hundred thousand; and out of Benjamin, that bare shields and drew bows, two hundred and fourscore thousand: all these were mighty men of valour.

Counter-Arguments

The strongest case that this verse does not belong in this theme.

Land Sabbath / Rest for the Earth

The verse describes a period of peace and security for the people and their king, not a prescribed agricultural practice or ecological principle concerning the land itself. The "rest" mentioned refers to an absence of warfare, not a deliberate cessation of cultivation or a cyclical resting of the earth.