condition mean min max 12pM Fe,Midday 2.19265 2.19265 2.19265 12pM Fe,Midnight 4.177245 3.93647 4.41802 58pM Fe,Midday 1.33386 1.33386 1.33386 58pM Fe,Midnight 3.3431785714285716 0.0 5.1116 233pM Fe,Midnight 1.3113543333333333 0.954483 1.61407 1160pM Fe,Midday 0.9415481428571428 0.566535 1.15811 1160pM Fe,Midnight 1.9031246666666668 0.412193 3.39683 High carbon,Dark 2.3073220666666665 0.434401 4.95039 High carbon,Light 0.6341499230769231 0.0 2.7306 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 2.106548666666667 0.171746 4.76166 Silicon starvation,12h 2.10524 2.10524 2.10524