condition mean min max 12pM Fe,Midday 62.0089 62.0089 62.0089 12pM Fe,Midnight 73.74924999999999 65.4554 82.0431 58pM Fe,Midday 94.43 94.43 94.43 58pM Fe,Midnight 38.649 33.4247 47.3032 233pM Fe,Midnight 26.942666666666668 25.0237 28.6231 1160pM Fe,Midday 39.2645 35.4483 47.419 1160pM Fe,Midnight 28.105674999999998 20.6471 34.1867 High carbon,Dark 27.035718 2.74172 64.0842 High carbon,Light 19.408459999999998 2.71441 57.5356 Low carbon,Dark 29.407 29.407 29.407 Phloroglucinol 9.83632 6.00356 12.1482 Silicon starvation,12h 15.7478 15.7478 15.7478