It is also a good idea to water them liberally, and wait a decent while before harvesting.

Dig straight, shallow trenches, 2 to 3 feet apart, in prepared soil. Plant seed potatoes 12 inches apart and cover with about 3 inches of soil. When the shoots reach 10 to 12 inches tall, use a hoe or shovel to scoop soil from between rows and mound it against the plants, burying the stems halfway. Repeat as needed through the growing season to keep the tubers covered. Unlike container gardening, there's nothing to buy or build and no soil to transport. This is a simple, inexpensive, and proven