condition mean min max 12pM Fe,Midday 188.873 188.873 188.873 12pM Fe,Midnight 66.89295 62.5042 71.2817 58pM Fe,Midday 111.865 111.865 111.865 58pM Fe,Midnight 34.81437142857143 0.0 47.3909 233pM Fe,Midnight 29.286666666666665 25.7184 32.1031 1160pM Fe,Midday 118.30942857142857 107.374 140.631 1160pM Fe,Midnight 40.097883333333336 15.6532 55.4526 High carbon,Dark 87.35996 27.6854 168.785 High carbon,Light 133.6397076923077 15.543 361.787 Low carbon,Dark 35.4764 35.4764 35.4764 Phloroglucinol 24.695933333333333 19.7255 30.4943 Silicon starvation,12h 44.7763 44.7763 44.7763