noun
primary industry
Refers to industries that extract or harvest natural resources, such as agriculture, forestry, and fishing. Often contrasted with 二次産業 (secondary industry) and 三次産業 (tertiary industry).
一次産業には農業や漁業が含まれる。
Primary industries include agriculture and fishing.
この地域の経済は一
The economy of this region depends heavily on primary industries.