condition mean min max 12pM Fe,Midday 79.2125 79.2125 79.2125 12pM Fe,Midnight 61.82165 59.3887 64.2546 58pM Fe,Midday 52.1607 52.1607 52.1607 58pM Fe,Midnight 43.3362 0.0 58.7183 233pM Fe,Midnight 35.33936666666667 32.5454 37.9084 1160pM Fe,Midday 44.86761428571429 38.9193 52.3164 1160pM Fe,Midnight 27.350783333333332 13.0918 37.5166 High carbon,Dark 43.21729333333333 24.6019 66.8164 High carbon,Light 33.12092538461538 9.04453 63.2243 Low carbon,Dark 16.4638 16.4638 16.4638 Phloroglucinol 47.201633333333334 34.053 70.2833 Silicon starvation,12h 32.4919 32.4919 32.4919