Cross reference
Isaiah 28:24
24 Doth the plowman plow all day to sow? doth he open and break the clods of his ground?
Jeremiah 4:3
3 For thus saith the LORD to the men of Judah and Jerusalem, Break up your fallow ground, and sow not among thorns.
Hosea 10:11-12
11 And Ephraim is as an heifer that is taught, and loveth to tread out the corn; but I passed over upon her fair neck: I will make Ephraim to ride; Judah shall plow, and Jacob shall break his clods.
12 Sow to yourselves in righteousness, reap in mercy; break up your fallow ground: for it is time to seek the LORD, till he come and rain righteousness upon you.