Exodus 23:10
For six years you are to sow your land and gather its produce,

Exodus 23:12
For six days you are to do your work, but on the seventh day you must cease, so that your ox and your donkey may rest, and the son of your maidservant may be refreshed, as well as the foreign resident.

Leviticus 25:3
For six years you may sow your field and prune your vineyard and gather its crops.

Numbers 16:14
Moreover, you have not brought us into a land flowing with milk and honey or given us an inheritance of fields and vineyards. Will you gouge out the eyes of these men? No, we will not come!"

Nehemiah 10:31
When the people of the land bring merchandise or any kind of grain to sell on the Sabbath day, we will not buy from them on a Sabbath day or holy day. Every seventh year we will let the fields lie fallow, and will cancel every debt.