condition mean min max 12pM Fe,Midday 91.9011 91.9011 91.9011 12pM Fe,Midnight 50.86875 49.8495 51.888 58pM Fe,Midday 66.254 66.254 66.254 58pM Fe,Midnight 33.36055714285715 27.0646 58.7583 233pM Fe,Midnight 32.44903333333333 31.9683 33.2488 1160pM Fe,Midday 60.78951428571428 54.7306 66.286 1160pM Fe,Midnight 12.492539166666667 5.58756 23.38 High carbon,Dark 38.140993333333334 10.9672 80.195 High carbon,Light 36.15686538461539 6.81158 74.0177 Low carbon,Dark 28.7391 28.7391 28.7391 Phloroglucinol 36.58476666666667 33.5582 39.7098 Silicon starvation,12h 36.6774 36.6774 36.6774