Not to be a jerk, but don't read the chart...read the plant. Are you over watering? Don't give up buddy, pull from your experiences and if this is your first time, be ready to fail. Failure should be something that's always in our minds, no matter what the experience level. But this plant in the picture is far from failure. Tell us a little more of the conditions and intervals you're feeding. And be sure to search the forums, especially the infirmary section, there is a wealth of information here, use it.