condition mean min max 12pM Fe,Midday 4.58318 4.58318 4.58318 12pM Fe,Midnight 29.130499999999998 27.641 30.62 58pM Fe,Midday 7.25058 7.25058 7.25058 58pM Fe,Midnight 39.55612857142857 27.5332 98.7429 233pM Fe,Midnight 50.4472 48.7819 52.2589 1160pM Fe,Midday 2.6732985714285715 1.52444 3.56849 1160pM Fe,Midnight 51.640208333333334 47.0174 57.6705 High carbon,Dark 27.835573333333333 12.6058 50.8483 High carbon,Light 12.904414615384615 2.92238 25.3665 Low carbon,Dark 17.1518 17.1518 17.1518 Phloroglucinol 4.80445 4.21465 5.65685 Silicon starvation,12h 37.2188 37.2188 37.2188