condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.1731495 0.0 0.346299 58pM Fe,Midday 0.298689 0.298689 0.298689 58pM Fe,Midnight 0.079591 0.0 0.557137 233pM Fe,Midnight 0.070074 0.0 0.210222 1160pM Fe,Midday 0.15335057142857145 0.0 0.540089 1160pM Fe,Midnight 0.09082816666666667 0.0 0.290205 High carbon,Dark 0.28823193333333336 0.0 1.81973 High carbon,Light 0.03887376923076923 0.0 0.505359 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.832215 0.0 2.06982 Silicon starvation,12h 0.0 0.0 0.0