condition mean min max 12pM Fe,Midday 223.541 223.541 223.541 12pM Fe,Midnight 148.7335 148.665 148.802 58pM Fe,Midday 146.024 146.024 146.024 58pM Fe,Midnight 104.21657142857143 83.5306 162.507 233pM Fe,Midnight 39.6546 35.139 42.2598 1160pM Fe,Midday 94.02044285714285 86.4365 102.398 1160pM Fe,Midnight 22.981525 13.423 31.8717 High carbon,Dark 53.15331666666667 5.07175 82.2946 High carbon,Light 51.812538461538466 10.765 113.505 Low carbon,Dark 87.6544 87.6544 87.6544 Phloroglucinol 45.18066666666667 32.7021 65.0278 Silicon starvation,12h 152.417 152.417 152.417