condition mean min max 12pM Fe,Midday 43.6884 43.6884 43.6884 12pM Fe,Midnight 40.381550000000004 39.3163 41.4468 58pM Fe,Midday 50.1399 50.1399 50.1399 58pM Fe,Midnight 20.892542857142857 0.0 26.3528 233pM Fe,Midnight 19.7391 19.234 20.6469 1160pM Fe,Midday 28.3466 27.1869 31.2631 1160pM Fe,Midnight 12.6486675 8.34621 15.9311 High carbon,Dark 15.099627333333334 2.33096 30.768 High carbon,Light 12.811124615384616 5.82517 25.8568 Low carbon,Dark 15.4636 15.4636 15.4636 Phloroglucinol 31.245466666666665 24.2843 39.9616 Silicon starvation,12h 24.3651 24.3651 24.3651