condition mean min max 12pM Fe,Midday 14.6929 14.6929 14.6929 12pM Fe,Midnight 12.32375 12.1101 12.5374 58pM Fe,Midday 11.1119 11.1119 11.1119 58pM Fe,Midnight 9.73512 0.0 13.473 233pM Fe,Midnight 11.017966666666666 10.558 11.4434 1160pM Fe,Midday 11.595557142857142 10.4196 12.838 1160pM Fe,Midnight 5.149165 3.39615 6.97504 High carbon,Dark 9.594628666666667 4.77687 15.9903 High carbon,Light 6.762495384615384 1.23314 11.6563 Low carbon,Dark 9.18282 9.18282 9.18282 Phloroglucinol 16.566666666666666 15.4025 18.4805 Silicon starvation,12h 14.0044 14.0044 14.0044