Deuteronomy 14:22

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

Deuteronomy 12:17

You may not eat within your gates the tithe of your grain, or of your wine, or of your oil, or the firstlings of your herds or of your flock, nor any of your offerings which you vow, nor your freewill offerings, or heave offering of your hand:

Deuteronomy 12:6

And there you shall bring your burnt offerings, and your sacrifices, and your tithes, and heave offerings of your hand, and your vowed offerings, and your freewill offerings, and the firstlings of your herds and of your flocks:

Nehemiah 10:37

And that we should bring the firstfruits of our dough, and our offerings, and the fruit of all manner of trees, of wine and of oil, unto the priests, to the chambers of the house of our God; and the tithes of our ground unto the Levites, that the same Levites might have the tithes in all the cities of our work.

Numbers 18:21

And, behold, I have given the children of Levi all the tenth in Israel for an inheritance, for their service which they serve, even the service of the tabernacle of meeting.

Leviticus 27:30-33

And all the tithe of the land, whether of the seed of the land, or of the fruit of the tree, is the LORD'S: it is holy unto the LORD.

Deuteronomy 26:12-15

When you have finished tithing all the tithes of your increase the third year, which is the year of tithing, and have given it unto the Levite, the stranger, the fatherless, and 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 heave offerings of your hand, and your vowed offerings, and your freewill offerings, and the firstlings of your herds and of your flocks:
Deuteronomy 26:12
When you have finished tithing all the tithes of your increase the third year, which is the year of tithing, and have given it unto the Levite, the stranger, the fatherless, and the widow, that they may eat within your gates, and be filled;
Leviticus 27:30
And all the tithe of the land, whether of the seed of the land, or of the fruit of the tree, is the LORD'S: it is holy unto the LORD.
Numbers 18:21
And, behold, I have given the children of Levi all the tenth in Israel for an inheritance, for their service which they serve, even the service of the tabernacle of meeting.
Nehemiah 10:37
And that we should bring the firstfruits of our dough, and our offerings, and the fruit of all manner of trees, of wine and of oil, unto the priests, to the chambers of the house of our God; and the tithes of our ground unto the Levites, that the same Levites might have the tithes in all the cities of our work.