condition mean min max 12pM Fe,Midday 50.199 50.199 50.199 12pM Fe,Midnight 43.0037 42.3984 43.609 58pM Fe,Midday 49.4132 49.4132 49.4132 58pM Fe,Midnight 36.24727142857143 0.0 45.1185 233pM Fe,Midnight 78.35783333333333 73.3589 84.2492 1160pM Fe,Midday 35.42961428571429 29.6755 41.8382 1160pM Fe,Midnight 99.771 83.9015 113.351 High carbon,Dark 93.17093333333334 55.5976 162.554 High carbon,Light 89.03986153846154 25.6703 147.974 Low carbon,Dark 66.1745 66.1745 66.1745 Phloroglucinol 36.77426666666667 23.8345 48.2105 Silicon starvation,12h 75.7056 75.7056 75.7056