Heart & Blood Vessels: Your Coronary Arteries. The heart receives its own supply of blood from the coronary arteries. Two major coronary arteries branch off from the aorta near the point where the aorta and the left ventricle meet. These arteries and their branches supply all parts of the heart muscle with blood.
Mound the soil into a raised rows to a height of 8 to 12 inches and 6 to 8 inches wide, spaced 3 to 4 feet apart. This provides loose soil for the formation of tubers and promotes healthy growth. Plant sweet potato slips 10 to 12 inches apart and firm the soil down with your hands to secure the plant. Water thoroughly to moisten the mound of soil. Keep soil evenly moist until new growth appears. Mulch with organic matter to conserve moisture and prevent weeds.
Potato Spacing. Seed potatoes require loose, moist soil, but should never be planted where water puddles. Plant individual seed potatoes 1 to 1 1/2 feet apart in rows. Many gardeners build mounded rows for planting to ensure good drainage around the potatoes.ow Spacing. Potatoes are a successful crop, so many gardeners plant row after row of seed potatoes. Rows should be spaced at 2 to 3 feet, to give the vining plants plenty of room to grow and expand.