condition mean min max 12pM Fe,Midday 22.0696 22.0696 22.0696 12pM Fe,Midnight 26.89935 26.2874 27.5113 58pM Fe,Midday 18.0522 18.0522 18.0522 58pM Fe,Midnight 17.371785714285714 0.0 20.9011 233pM Fe,Midnight 20.2817 19.1691 22.0984 1160pM Fe,Midday 18.910214285714286 17.1534 22.317 1160pM Fe,Midnight 13.079708333333333 10.9766 17.0092 High carbon,Dark 17.032403333333335 7.39341 31.5216 High carbon,Light 7.742459230769231 1.964 12.5917 Low carbon,Dark 12.5101 12.5101 12.5101 Phloroglucinol 9.478646666666666 4.70502 18.1831 Silicon starvation,12h 22.4856 22.4856 22.4856