Contradiction with Haggai 1:6
Isaiah 30:23 speaks of plentiful harvests, while Haggai 1:6 highlights laboring without yield.
Haggai 1:6: Ye have sown much, and bring in little; ye eat, but ye have not enough; ye drink, but ye are not filled with drink; ye clothe you, but there is none warm; and he that earneth wages earneth wages [to put it] into a bag with holes. [with holes: Heb. pierced through]
Contradiction with Amos 4:9
While Isaiah 30:23 promises abundance, Amos 4:9 speaks of destruction of crops which leads to scarcity.
Amos 4:9: I have smitten you with blasting and mildew: when your gardens and your vineyards and your fig trees and your olive trees increased, the palmerworm devoured [them]: yet have ye not returned unto me, saith the LORD. [when...: or, the multitude of your gardens, etc. did the palmerworm]
Contradiction with Jeremiah 12:13
Isaiah 30:23 describes fruitful planting, but Jeremiah 12:13 contrasts this with harvesting but having no gain.
Jeremiah 12:13: They have sown wheat, but shall reap thorns: they have put themselves to pain, [but] shall not profit: and they shall be ashamed of your revenues because of the fierce anger of the LORD. [they shall: or, ye shall]
Contradiction with Joel 1:10
Isaiah 30:23 promises produce, whereas Joel 1:10 speaks of fields wasted and crops failing.
Joel 1:10: The field is wasted, the land mourneth; for the corn is wasted: the new wine is dried up, the oil languisheth.
Contradiction with Micah 6:15
Isaiah 30:23 foresees abundant harvests, while Micah 6:15 warns of sowing but not reaping the fruits of labor.
Micah 6:15: Thou shalt sow, but thou shalt not reap; thou shalt tread the olives, but thou shalt not anoint thee with oil; and sweet wine, but shalt not drink wine.