Farming tech is on display at CES as companies showcase their green innovations and initiatives

LAS VEGAS (AP) -- When Russell Maichel started growing almonds, walnuts and pistachios in the 1980s, he didn't own a cellphone. Now, a fully autonomous tractor drives through his expansive orchard, spraying pesticides and fertilizer to protect the trees that have for decades filled him with an immense sense of pride. Read More