We toured a hydroponic lettuce farm when we stayed in the South Island here in NZ recently. Pretty low tech, staffed by a small cadre of minimum wage people. M

We toured a hydroponic lettuce farm when we stayed in the South Island here in NZ recently. Pretty low tech, staffed by a small cadre of minimum wage people. My first thoughts about this article were just as you say - how can that pay off? Now I get it.