soil group

noun

1. one of a number of soil classes having the same kinds of horizons in the same sequence and under similar moisture and temperature regimes.

Word History and Origins

Origin of soil group¹

First recorded in 1920–25

Example Sentences

“Chinese agriculture is effectively a cottage industry,” says Sun Chang, chairman of Black Soil group, which aims to modernize Chinese agriculture by consolidating these plots into larger farms.

From Time

Sun’s Black Soil group has two pilot projects over 750 sq km — the size of Singapore — in northern China’s Heilongjiang province and has eyes on expanding.

From Time