condition mean min max 12pM Fe,Midday 130.952 130.952 130.952 12pM Fe,Midnight 125.53 122.988 128.072 58pM Fe,Midday 104.545 104.545 104.545 58pM Fe,Midnight 99.8831 71.1076 111.62 233pM Fe,Midnight 88.09166666666667 86.9097 89.0379 1160pM Fe,Midday 82.27632857142856 75.9149 88.4266 1160pM Fe,Midnight 83.329 79.3197 87.9035 High carbon,Dark 71.59662 45.23 112.712 High carbon,Light 60.1909 15.0588 115.836 Low carbon,Dark 48.4309 48.4309 48.4309 Phloroglucinol 72.81713333333333 47.9647 112.567 Silicon starvation,12h 63.1268 63.1268 63.1268