For open book tests, you don’t need to know everything, just where to find everything.

You don't need to know everything. Just take notes and mark down page numbers. True

For open book tests, you don’t need to know everything, just where to find everything. The Answer Is true

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.