condition mean min max 12pM Fe,Midday 71.2977 71.2977 71.2977 12pM Fe,Midnight 38.0557 35.9656 40.1458 58pM Fe,Midday 48.4484 48.4484 48.4484 58pM Fe,Midnight 17.057885714285714 0.0 23.4051 233pM Fe,Midnight 11.4215 10.2557 12.9696 1160pM Fe,Midday 38.901114285714286 31.1419 43.487 1160pM Fe,Midnight 3.713525833333333 1.42792 5.90991 High carbon,Dark 11.640618 1.97275 25.482 High carbon,Light 10.83616 0.4638 23.176 Low carbon,Dark 8.96124 8.96124 8.96124 Phloroglucinol 9.116793333333334 5.67718 11.2067 Silicon starvation,12h 26.2223 26.2223 26.2223