HORTICULTURE

Detailed explanation-1: -In the Americas, subsistence farmers domesticated an extraordinary array of plants, including corn, beans, squash, and potatoes.

Detailed explanation-2: -subsistence crop | Business English a crop that people grow to use or eat themselves in order to keep alive, rather than to sell for profit: The outlying farmers produce food for urban markets as well as subsistence crops.

Detailed explanation-3: -Food crops are subsistence crops that are meant for human consumption. They include fruits, vegetables, grains, and tubers, like potatoes. Grains, which include crops like wheat, rice, and corn, are the most popular crops in the world, with wheat as the most widely grown crop overall.

Detailed explanation-4: -Primitive subsistence agriculture is also known as shifting cultivation or slash and burn cultivation.