condition mean min max 12pM Fe,Midday 37.3812 37.3812 37.3812 12pM Fe,Midnight 30.50205 29.5809 31.4232 58pM Fe,Midday 29.1808 29.1808 29.1808 58pM Fe,Midnight 29.43625714285714 21.7863 61.3788 233pM Fe,Midnight 20.9787 20.7643 21.2906 1160pM Fe,Midday 27.70937142857143 25.9495 30.2439 1160pM Fe,Midnight 11.6812625 7.35586 20.4588 High carbon,Dark 15.77566 9.30435 27.068 High carbon,Light 11.995699230769231 3.97605 22.8784 Low carbon,Dark 9.11848 9.11848 9.11848 Phloroglucinol 13.838833333333334 11.7932 16.3512 Silicon starvation,12h 26.5245 26.5245 26.5245