condition mean min max 12pM Fe,Midday 33.9244 33.9244 33.9244 12pM Fe,Midnight 34.43475 31.3845 37.485 58pM Fe,Midday 29.2138 29.2138 29.2138 58pM Fe,Midnight 29.9429 0.0 37.6772 233pM Fe,Midnight 18.178066666666666 17.6445 19.0521 1160pM Fe,Midday 20.690414285714287 18.6694 23.5474 1160pM Fe,Midnight 23.363233333333334 15.9435 36.3664 High carbon,Dark 10.793914000000001 0.0 32.3447 High carbon,Light 6.034016923076923 0.0 25.3485 Low carbon,Dark 15.7503 15.7503 15.7503 Phloroglucinol 6.466143333333333 4.17566 9.28636 Silicon starvation,12h 8.27225 8.27225 8.27225