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.
An advantage of planting tall fescue in northern Arkansas is that it will not creep into landscape beds like bermudagrass and zoysiagrass. Warm-Season Grasses Warm-season grasses grow best during the warm months (80Âº to 95Âº F) of spring, summer and early fall. They grow vigorously during this time and become brown and dormant in winter. Bermudagrass Bermudagrass is the most commonly used turfgrass in Arkansas.