condition mean min max 12pM Fe,Midday 16.0535 16.0535 16.0535 12pM Fe,Midnight 34.2453 32.445 36.0456 58pM Fe,Midday 15.0089 15.0089 15.0089 58pM Fe,Midnight 28.986842857142857 0.0 36.8132 233pM Fe,Midnight 57.718399999999995 52.574 60.5517 1160pM Fe,Midday 4.428401428571428 2.50439 6.9844 1160pM Fe,Midnight 38.039318333333334 9.57102 93.8389 High carbon,Dark 96.29388 11.0416 182.059 High carbon,Light 62.29057153846154 0.0 184.025 Low carbon,Dark 35.4381 35.4381 35.4381 Phloroglucinol 30.906266666666667 12.4473 44.9833 Silicon starvation,12h 53.0803 53.0803 53.0803