My grandfather used to work in a plantation that specialized in cash crops.
Like tobacco?
Plantation
A plantation is the large-scale estate meant for farming that specializes in cash crops. The crops that are grown include cotton, 
coffee, tea, cocoa, sugar cane, sisal, oil seeds, oil palms, rubber trees, and fruits. Protectionist policies and natural comparative advantage have sometimes contributed to determining where plantations were located.
A plantation house is the main house of a plantation, often a substantial farmhouse, which often serves as a symbol for the plantation as a whole. Plantation houses in
an expanding cotton plantation system that spread through much of the American Deep South. Eventually, the term Black Belt was used to describe the larger area of the South with historic ties to slave plantation agriculture and the cash crops of cotton, rice, sugar, and tobacco.
After the American Civil War and Emancipation, most freedmen continued to work on plantations, generally by a system of sharecropping. The poverty of the South and decline in agricultural prices after the war caused suffering for planters and workers both. Although this had