condition mean min max 12pM Fe,Midday 135.34 135.34 135.34 12pM Fe,Midnight 154.168 142.072 166.264 58pM Fe,Midday 129.515 129.515 129.515 58pM Fe,Midnight 131.99471428571428 0.0 180.75 233pM Fe,Midnight 110.95666666666666 109.603 113.352 1160pM Fe,Midday 107.08365714285715 95.3139 122.775 1160pM Fe,Midnight 128.76958333333334 55.8047 172.591 High carbon,Dark 201.00566666666666 105.934 490.747 High carbon,Light 217.10057692307691 36.9658 569.962 Low carbon,Dark 221.301 221.301 221.301 Phloroglucinol 128.761 120.823 135.723 Silicon starvation,12h 216.046 216.046 216.046