Albert Barnes' Notes on the Whole Bible - Leviticus 26:3-45
As “the book of the covenant” Exodus 20:22-23:33 concludes with promises and warnings Exodus 23:20-33, so does this collection of laws contained in the Book of Leviticus. But the former passage relates to the conquest of the land of promise, this one to the subsequent history of the nation. The longer similar passage in Deuteronomy Deut. 27–30 is marked by broader and deeper promises and denunciations having immediate reference not only to outward consequences, but to the spiritual death... read more
The Pulpit Commentary - Leviticus 26:4-6
These verses appear to have been in the mind, not of Joel only, as already pointed out, but of Ezekiel ( Ezekiel 34:20-31 ). In Leviticus we find, Then I will give you rain in due season; in Ezekiel, "And I will cause the shower to come down in his season; there shall be showers of blessing.'' In Leviticus, And the land shall yield her increase, and the trees of the field shall yield their fruit; in Ezekiel, "And the tree of the field shall yield her fruit, and the earth her increase."... read more