Solution:Among the following, intensive subsistence agriculture is not a type of commercial agriculture.Commercial agriculture is a cropping method in which crops and livestock are raised in order to sell the products in the market for remuneration. It is capital intensive agriculture in which crops are grown on large farms, using modern technologies like farm machinery, fertilizers, insecticides, high yeilding variety of seeds, etc. Dairy farming, grain farming, livestock ranching, plantation agriculture, etc. are few examples of this type of agriculture.
Intensive subsistence agriculture is practiced in areas where farmers have small fields. The crops are grown to be consumed by farmers themselves.