Name a latitude where each of the following occurs: polar easterlies, westerlies, and trade winds

 they are the polar easterlies, the westerlies, ... Polar Easterlies: Atabout the latitude of Norway 

Labor costs would be a large factor holding production of shade-grown coffee back. if it requires higher labor costs to receive a smaller benefit per hectare, then these costs would be prohibitive on expanding this practice to all coffee growing.

Roughly $0.03 hope this