That makes the vessels narrower. Eventually, a narrowed coronary artery may develop new blood vessels that go around the blockage to get blood to the heart. However, if youâre pushing yourself or stressed, the new arteries may not be able to bring enough oxygen-rich blood to the heart muscle.
Corn needs a spot with that gets full sun and has fertile, well-drained soil with a pH of 6.0 to 6.8. Seedlings can be set out as soon as the last spring frost has passed. Space plants 8 to 12 inches apart. In case of a surprise late frost, be prepared to cover seedlings with a fabric row cover.
Crowded plants set small, late ears. Seed new crops every seven to 14 days or keep planting later and later varieties within a few days of each other. Corn is wind pollinated, so plant in blocks rather than in a few long rows, to improve pollination. Yields range from 900 to 1,400 dozen per acre.