condition mean min max 12pM Fe,Midday 15.1224 15.1224 15.1224 12pM Fe,Midnight 18.24335 17.1188 19.3679 58pM Fe,Midday 17.1383 17.1383 17.1383 58pM Fe,Midnight 21.49337142857143 18.9961 26.4818 233pM Fe,Midnight 9.955906666666667 8.95872 10.4848 1160pM Fe,Midday 17.83342857142857 15.6139 21.0547 1160pM Fe,Midnight 5.636826666666667 2.33574 10.139 High carbon,Dark 18.844032 1.06262 42.144 High carbon,Light 11.245088461538462 1.19398 42.1554 Low carbon,Dark 18.6419 18.6419 18.6419 Phloroglucinol 5.309946666666667 3.0809 9.03408 Silicon starvation,12h 12.4612 12.4612 12.4612