condition mean min max 12pM Fe,Midday 16.3503 16.3503 16.3503 12pM Fe,Midnight 14.2294 13.5479 14.9109 58pM Fe,Midday 14.1336 14.1336 14.1336 58pM Fe,Midnight 10.216062857142857 0.0 14.649 233pM Fe,Midnight 10.9638 9.8236 11.9454 1160pM Fe,Midday 11.039475714285715 9.29703 12.1747 1160pM Fe,Midnight 5.615135 2.8489 10.1525 High carbon,Dark 13.279936666666666 5.14357 30.4989 High carbon,Light 11.517623846153846 3.35218 20.7607 Low carbon,Dark 6.33558 6.33558 6.33558 Phloroglucinol 11.234743333333332 8.43283 15.2525 Silicon starvation,12h 25.4038 25.4038 25.4038