CBOT July corn futures settled 5.5 cents higher at $4.8575 per bushel, up about 1.09% on Monday.
Higher crude oil prices, up 4% amid U.S.-Israeli conflict with Iran, boosted grain prices as corn and soybeans serve as biofuel feedstocks.
Planting delays persist in central/eastern U.S. grain belt due to wet, cold conditions, prompting traders to await USDA weekly crop report.