There is no main crop. There are several of them. Some are, peaches, peanuts, tabacco, and pine trees.
rice
fods such as grains and corns.
hogs, tabacco, cattle, poultry, dairy, tourism, machinary, paper products, chemical products, and textile goods
soybeans, peaches, peanuts, and cotton are all important to SC agriculture
farming (tobacco, soybeans), textiles, manufacturing chemicals, processed foods, machinery, electronics, paper products, tourism