For example, an individual can be AB, D positive, and at the same time M and N positive (MNS system), K positive (Kell system), Lea or Leb negative (Lewis system), and so on, being positive or negative for each blood group system antigen.
Nearly every list of easy-to-grow vegetables starts with lettuce, and with good reason: so long as you plant it at the right time, it will grow from seed with little attention. The right time is when the soil is cool, in the spring and fall. In Arkansas, you can plant lettuce seeds from February to April, and again in September for a fall harvest.
Itâs easiest to grow tomatoes from seedlings rather than starting the seeds yourself. Dig a big hole and bury about half of the plant in the ground. Cherokee Purple and Arkansas Pink are classic local varieties that do well in Arkansas. Or try cherry tomatoes in a container or in the ground; they tend to be easier to grow and can still produce a lot of fruit.