condition mean min max 12pM Fe,Midday 32.7428 32.7428 32.7428 12pM Fe,Midnight 67.55435 60.9297 74.179 58pM Fe,Midday 73.0346 73.0346 73.0346 58pM Fe,Midnight 67.77025714285715 26.9436 80.9624 233pM Fe,Midnight 164.39833333333334 162.833 166.528 1160pM Fe,Midday 83.62445714285714 61.8393 107.161 1160pM Fe,Midnight 159.74708333333334 107.262 213.041 High carbon,Dark 173.21166 46.8499 267.973 High carbon,Light 155.71023923076922 5.84774 368.299 Low carbon,Dark 125.132 125.132 125.132 Phloroglucinol 60.24943333333333 24.3732 89.2417 Silicon starvation,12h 75.338 75.338 75.338