Deuteronomy 14:22

You shall surely tithe all the increase of your seed, that which comes forth from the field year by year.

Deuteronomy 12:17

You may not eat within your gates the tithe of your grain, or of your new wine, or of your oil, or the firstborn of your herd or of your flock, nor any of your vows which you vow, nor your freewill offerings, nor the wave offering of your hand;

Deuteronomy 12:6

and there you shall bring your burnt offerings, and your sacrifices, and your tithes, and the wave offering of your hand, and your vows, and your freewill offerings, and the firstborn of your herd and of your flock:

Nehemiah 10:37

and that we should bring the first fruits of our dough, and our wave offerings, and the fruit of all kinds of trees, the new wine and the oil, to the priests, to the rooms of the house of our God; and the tithes of our ground to the Levites; for they, the Levites, take the tithes in all the cities of our tillage.

Numbers 18:21

"To the children of Levi, behold, I have given all the tithe in Israel for an inheritance, in return for their service which they serve, even the service of the Tent of Meeting.

Leviticus 27:30-33

"'All the tithe of the land, whether of the seed of the land or of the fruit of the trees, is Yahweh's. It is holy to Yahweh.

Deuteronomy 26:12-15

When you have made an end of tithing all the tithe of your increase in the third year, which is the year of tithing, then you shall give it to the Levite, to the foreigner, to the fatherless, and to the widow, that they may eat within your gates, and be filled.

Treasury of Scripture Knowledge

Summary

Thou shalt truly tithe all the increase of thy seed, that the field bringeth forth year by year.

Bible References

General references

Deuteronomy 12:6
and there you shall bring your burnt offerings, and your sacrifices, and your tithes, and the wave offering of your hand, and your vows, and your freewill offerings, and the firstborn of your herd and of your flock:
Deuteronomy 26:12
When you have made an end of tithing all the tithe of your increase in the third year, which is the year of tithing, then you shall give it to the Levite, to the foreigner, to the fatherless, and to the widow, that they may eat within your gates, and be filled.
Leviticus 27:30
"'All the tithe of the land, whether of the seed of the land or of the fruit of the trees, is Yahweh's. It is holy to Yahweh.
Numbers 18:21
"To the children of Levi, behold, I have given all the tithe in Israel for an inheritance, in return for their service which they serve, even the service of the Tent of Meeting.
Nehemiah 10:37
and that we should bring the first fruits of our dough, and our wave offerings, and the fruit of all kinds of trees, the new wine and the oil, to the priests, to the rooms of the house of our God; and the tithes of our ground to the Levites; for they, the Levites, take the tithes in all the cities of our tillage.