His treasure — The heaven or the air, which is God's storehouse, where he treasures up rain or wind for man's use.
Related Commentaries of Deuteronomy 28:12
Deuteronomy 28:12
12 The LORD shall open unto thee his good treasure, the heaven to give the rain unto thy land in his season, and to bless all the work of thine hand: and thou shalt lend unto many nations, and thou shalt not borrow.