condition mean min max 12pM Fe,Midday 23.9244 23.9244 23.9244 12pM Fe,Midnight 47.25135 41.3245 53.1782 58pM Fe,Midday 21.1695 21.1695 21.1695 58pM Fe,Midnight 51.98388571428571 34.5825 66.6712 233pM Fe,Midnight 52.6853 50.9302 54.5496 1160pM Fe,Midday 43.04617142857143 39.1586 47.2152 1160pM Fe,Midnight 33.24774166666667 30.2612 35.4991 High carbon,Dark 32.532693333333334 13.6846 53.0065 High carbon,Light 44.460835384615386 4.69488 105.478 Low carbon,Dark 33.0672 33.0672 33.0672 Phloroglucinol 18.202033333333333 17.0492 19.0412 Silicon starvation,12h 50.694 50.694 50.694