head out of/appear into use Common farming techniques are heading out of/coming into use (= utilised much less and less/Increasingly more) in many places. exploitation, improvement - the act of making some area of land or drinking water extra rewarding or productive or valuable; "the event of Alaskan resources"; https://atozbookmark.com/story20197820/the-ultimate-guide-to-how-to-use-conolidine