You must be sure to set aside a tenth of all the produce brought forth each year from your fields.

Genesis 28:22
And this stone I have set up as a pillar will be God's house, and of all that You give me I will surely give You a tenth."

Leviticus 27:30
Thus any tithe from the land, whether from the seed of the land or the fruit of the trees, belongs to the LORD; it is holy to the LORD.

Numbers 15:20
From the first of your dough, you are to lift up a cake as a contribution; offer it just like an offering from the threshing floor.

Numbers 18:21
Behold, I have given to the Levites all the tithes in Israel as an inheritance in return for the work they do, the service of the Tent of Meeting.

Deuteronomy 12:6
To that place you are to bring your burnt offerings and sacrifices, your tithes and heave offerings, your vow offerings and freewill offerings, as well as the firstborn of your herds and flocks.

Deuteronomy 12:17
Within your gates you must not eat the tithe of your grain or new wine or oil, the firstborn of your herds or flocks, any of the offerings that you have vowed to give, or your freewill offerings or special gifts.

Nehemiah 10:37
Moreover, we will bring to the priests at the storerooms of the house of our God the firstfruits of our dough, of our grain offerings, of the fruit of all our trees, and of our new wine and oil. A tenth of our produce belongs to the Levites, so that they shall receive tithes in all the towns where we labor.

Malachi 3:10
Bring the full tithe into the storehouse, so that there may be food in My house. Test Me in this," says the LORD of Hosts. "See if I will not open the windows of heaven and pour out for you blessing without measure.

You shall truly tithe all the increase of your seed, that the field brings forth year by year.