condition mean min max 12pM Fe,Midday 155.056 155.056 155.056 12pM Fe,Midnight 126.26149999999998 119.692 132.831 58pM Fe,Midday 106.083 106.083 106.083 58pM Fe,Midnight 86.67404285714285 0.0 123.508 233pM Fe,Midnight 94.29780000000001 92.5819 97.1658 1160pM Fe,Midday 84.44741428571429 69.1375 100.048 1160pM Fe,Midnight 51.63835 32.8186 90.7669 High carbon,Dark 81.64273333333334 11.1645 164.275 High carbon,Light 89.7343 13.1749 254.809 Low carbon,Dark 57.1455 57.1455 57.1455 Phloroglucinol 42.376933333333334 33.3501 57.7206 Silicon starvation,12h 118.235 118.235 118.235