Collier's New Encyclopedia — South Carolina (1921)
“ Agriculture.—The soil is, as a rule, either loam or clay, rich in phosphate, lime, and potash. Cotton, maize, wheat, rice, and sweet potatoes are the chief staples. The magnolia and palmetto grow abundantly along the coast, pine and cypress characterize the low country, and hardwoods the highlands. The acreage, production, and value of the principal crops in 1919 was as follows: corn, 2,340,000 acres, production 37,440,000 bushels, value $73,757,000; oats, 510,000 acres, production 11,730,000 bushels, value $12,903,000; wheat, 204,000 acres, production 1,836,000 bushels, value $4,737,000 ”
