condition mean min max 12pM Fe,Midday 0.812358 0.812358 0.812358 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 1.0494187142857143 0.0 3.21294 233pM Fe,Midnight 0.33572 0.0 1.00716 1160pM Fe,Midday 0.3430772857142857 0.0 1.0704 1160pM Fe,Midnight 0.9466070833333333 0.0 2.72609 High carbon,Dark 2.1682893333333335 0.0 9.49291 High carbon,Light 1.5258376923076924 0.0 10.7119 Low carbon,Dark 1.32005 1.32005 1.32005 Phloroglucinol 2.842433333333333 1.01809 4.42768 Silicon starvation,12h 0.0 0.0 0.0