condition mean min max 12pM Fe,Midday 0.841322 0.841322 0.841322 12pM Fe,Midnight 3.6963 3.23663 4.15597 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 2.8522957142857144 0.0 5.417 233pM Fe,Midnight 1.053863 0.391149 1.57185 1160pM Fe,Midday 3.311917142857143 2.42382 4.29567 1160pM Fe,Midnight 4.111836666666667 3.13229 5.7493 High carbon,Dark 4.671823866666666 0.0 14.5366 High carbon,Light 6.915482384615385 0.0 25.1456 Low carbon,Dark 3.07601 3.07601 3.07601 Phloroglucinol 1.61626 1.00309 2.6595 Silicon starvation,12h 4.54752 4.54752 4.54752