condition mean min max 12pM Fe,Midday 17.0437 17.0437 17.0437 12pM Fe,Midnight 10.764175 9.52375 12.0046 58pM Fe,Midday 5.62725 5.62725 5.62725 58pM Fe,Midnight 10.386308571428572 0.0 18.5251 233pM Fe,Midnight 8.5826 7.12899 10.5653 1160pM Fe,Midday 9.633818571428572 6.91913 11.3963 1160pM Fe,Midnight 10.09733 4.29479 21.6152 High carbon,Dark 10.597631333333334 3.10922 22.0824 High carbon,Light 9.144448538461539 0.599035 22.8092 Low carbon,Dark 4.13363 4.13363 4.13363 Phloroglucinol 8.500153333333333 5.46809 11.2652 Silicon starvation,12h 7.67102 7.67102 7.67102