condition mean min max 12pM Fe,Midday 13.8419 13.8419 13.8419 12pM Fe,Midnight 31.780500000000004 27.3505 36.2105 58pM Fe,Midday 22.0463 22.0463 22.0463 58pM Fe,Midnight 21.66552857142857 0.0 31.9615 233pM Fe,Midnight 42.258266666666664 41.6308 42.6704 1160pM Fe,Midday 11.130594285714286 9.72794 13.2927 1160pM Fe,Midnight 23.505895 9.45904 47.7552 High carbon,Dark 30.703608 8.66647 51.1384 High carbon,Light 26.593901538461537 4.07444 58.8176 Low carbon,Dark 21.3679 21.3679 21.3679 Phloroglucinol 11.988166666666666 10.4084 14.6172 Silicon starvation,12h 55.1291 55.1291 55.1291