condition mean min max 12pM Fe,Midday 41.8473 41.8473 41.8473 12pM Fe,Midnight 26.508 22.837 30.179 58pM Fe,Midday 28.0463 28.0463 28.0463 58pM Fe,Midnight 17.682542857142856 0.0 23.3768 233pM Fe,Midnight 14.3383 13.8694 14.9537 1160pM Fe,Midday 22.50857142857143 20.219 24.1514 1160pM Fe,Midnight 6.854208333333333 3.91826 10.1256 High carbon,Dark 13.272589333333334 4.40415 22.7647 High carbon,Light 10.889646923076924 1.70745 21.3303 Low carbon,Dark 8.41588 8.41588 8.41588 Phloroglucinol 21.374333333333333 15.0585 30.2043 Silicon starvation,12h 31.825 31.825 31.825