Deuteronomy 7:13

13He will alove you, bless you, and multiply you. bHe will also bless the fruit of your womb and the fruit of your ground, your grain and your wine and your oil, the increase of your herds and the young of your flock, in the land that he swore to your fathers to give you.

Deuteronomy 16:10

10Then you shall keep cthe Feast of Weeks to the Lord your God with dthe tribute of a freewill offering from your hand, which you shall give eas the Lord your God blesses you.

Deuteronomy 28:8-12

8The Lord fwill command the blessing on you in your barns and gin all that you undertake. hAnd he will bless you in the land that the Lord your God is giving you. 9 iThe Lord will establish you as a people holy to himself, as he has sworn to you, if you keep the commandments of the Lord your God and walk in his ways. 10And jall the peoples of the earth shall see that you are kcalled by the name of the Lord, and they shall be lafraid of you. 11And mthe Lord will make you abound in prosperity, in nthe fruit of your womb and in the fruit of your livestock and in the fruit of your ground, within the land that the Lord swore to your fathers to give you. 12The Lord will open to you his good treasury, the heavens, oto give the rain to your land in its season and pto bless all the work of your hands. And qyou shall lend to many nations, but you shall not borrow.

Deuteronomy 30:16

16If you obey the commandments of the Lord your God
Septuagint; Hebrew lacks  If you obey the commandments of the Lord your God
that I command you today, sby loving the Lord your God, by walking in his ways, and by keeping his commandments and his statutes and his rules,
Or  his just decrees
then you shall live and multiply, and the Lord your God will bless you in the land that you are entering to take possession of it.
Copyright information for ESV