Contradiction with Matthew 13:19
Matthew 13:19 depicts the word of God as the seed, not the ground itself, which does not require breaking.
Matthew 13:19: When any one heareth the word of the kingdom, and understandeth [it] not, then cometh the wicked [one], and catcheth away that which was sown in his heart. This is he which received seed by the way side.
Contradiction with Hosea 10:12
Hosea 10:12 mentions breaking up fallow ground but for the purpose of seeking the Lord, not as a consequence of sin.
Hosea 10:12: 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.
Contradiction with Matthew 13:7
Matthew 13:7 focuses on thorny ground choking the word, whereas Jeremiah 4:3 speaks of breaking fallow ground.
Matthew 13:7: And some fell among thorns; and the thorns sprung up, and choked them:
Contradiction with Ezekiel 36:26
Ezekiel 36:26 offers a new heart and spirit without indicating the need for breaking up fallow ground.
Ezekiel 36:26: A new heart also will I give you, and a new spirit will I put within you: and I will take away the stony heart out of your flesh, and I will give you an heart of flesh.
Contradiction with 1 Corinthians 3:9
1 Corinthians 3:9 identifies believers as God's field, cultivated by God, contrasting human effort in breaking ground.
1 Corinthians 3:9: For we are labourers together with God: ye are God's husbandry, [ye are] God's building. [husbandry: or, tillage]