condition mean min max 12pM Fe,Midday 41.0505 41.0505 41.0505 12pM Fe,Midnight 33.32005 32.4874 34.1527 58pM Fe,Midday 29.0587 29.0587 29.0587 58pM Fe,Midnight 23.882257142857142 0.0 31.4568 233pM Fe,Midnight 29.3273 27.5737 31.4453 1160pM Fe,Midday 28.266542857142856 24.7574 31.8744 1160pM Fe,Midnight 19.369491666666665 15.3771 26.2671 High carbon,Dark 31.373906666666667 16.711 40.1383 High carbon,Light 31.888927692307693 9.32156 50.8414 Low carbon,Dark 53.8409 53.8409 53.8409 Phloroglucinol 27.102433333333334 18.5378 40.3535 Silicon starvation,12h 77.7437 77.7437 77.7437