condition mean min max 12pM Fe,Midday 72.112 72.112 72.112 12pM Fe,Midnight 64.93395 64.8937 64.9742 58pM Fe,Midday 46.672 46.672 46.672 58pM Fe,Midnight 50.77328571428571 0.0 61.5065 233pM Fe,Midnight 35.19623333333333 33.7576 36.5401 1160pM Fe,Midday 34.830714285714286 32.0753 36.1606 1160pM Fe,Midnight 41.8555 37.5351 47.4907 High carbon,Dark 42.47964 17.3996 69.6492 High carbon,Light 30.442138461538462 13.242 44.793 Low carbon,Dark 31.4692 31.4692 31.4692 Phloroglucinol 29.866266666666668 26.1 35.0739 Silicon starvation,12h 40.1435 40.1435 40.1435