agroecosystem

As a noun agroecosystem

is a conceptual model of an agricultural system (crop, farm or whole economy), relating its functions to its inputs and outputs.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between ecosystem and agroecosystem

is that ecosystem is a system formed by an ecological community and its environment that functions as a unit while agroecosystem is a conceptual model of an agricultural system (crop, farm or whole economy), relating its functions to its inputs and outputs.

Agroecoregion is often a misspelling of agroecosystem.

Agroecoregion has no English definition.

As a noun agroecosystem is

a conceptual model of an agricultural system (crop, farm or whole economy), relating its functions to its inputs and outputs.