condition mean min max 12pM Fe,Midday 40.2087 40.2087 40.2087 12pM Fe,Midnight 27.09065 26.0772 28.1041 58pM Fe,Midday 30.3004 30.3004 30.3004 58pM Fe,Midnight 16.779885714285715 0.0 22.5392 233pM Fe,Midnight 13.5388 13.1395 13.9187 1160pM Fe,Midday 22.941685714285715 20.5955 26.069 1160pM Fe,Midnight 9.437134166666667 7.3839 11.8115 High carbon,Dark 13.676865333333334 5.60247 22.3367 High carbon,Light 12.341053076923076 3.64175 22.7472 Low carbon,Dark 10.4109 10.4109 10.4109 Phloroglucinol 14.758533333333332 11.1443 18.8147 Silicon starvation,12h 27.277 27.277 27.277