Be careful not to apply too much nitrogen. This may delay tuber development and decrease yield. Some Gardeners prefer to use manure. If manure is applied, do it the year before planting potatoes. Make sure it is well aged to prevent burning and the possible introduction of diseases and weeds.
Manure also promotes common scab on new tubers.
Plant potatoes in rows 30 to 36 inches apart. Space seed pieces within the row at 10 to 12 inches at a depth of about 4 inches. Hills may be formed at the time of planting or in the following four weeks. Hilling provides more space for the developing tubers to grow and helps prevent green potatoes. It is a good idea to rotate spots in the Garden for potato production.