Surplus to requirements and Unproductive

Unproductive and surplus to requirements are semantically related. In some cases you can use "Unproductive" instead an adjective phrase "Surplus to requirements".

Unproductive adjective - Producing inferior or only a small amount of vegetation.

Surplus to requirements and unproductive are semantically related. Sometimes you can use "Surplus to requirements" instead an adjective "Unproductive".