condition mean min max 12pM Fe,Midday 215.572 215.572 215.572 12pM Fe,Midnight 179.2055 176.639 181.772 58pM Fe,Midday 189.12 189.12 189.12 58pM Fe,Midnight 165.074 109.008 188.861 233pM Fe,Midnight 75.87943333333334 74.2667 77.3659 1160pM Fe,Midday 107.4222857142857 102.786 111.772 1160pM Fe,Midnight 80.930425 76.4164 84.6354 High carbon,Dark 89.44184666666666 36.4509 113.214 High carbon,Light 73.20563846153846 42.7847 95.947 Low carbon,Dark 81.7191 81.7191 81.7191 Phloroglucinol 70.88636666666666 59.8553 89.3123 Silicon starvation,12h 94.2146 94.2146 94.2146