Yeah after looking at the pics again, I can almost guarantee your ph is off. That plant is too young to need any nutrients added, so there really shouldn't be a deficiency yet unless there is some ph lockout going on. Plus, that soil looks like its from your backyard, so the chances of an unstable ph are that much higher. Get yourself a ph control kit from a local pet store and get that ph to about 6.5(slightly acidic).