condition mean min max 12pM Fe,Midday 16.617 16.617 16.617 12pM Fe,Midnight 19.9801 19.598 20.3622 58pM Fe,Midday 13.1428 13.1428 13.1428 58pM Fe,Midnight 20.952828571428572 16.9599 33.0006 233pM Fe,Midnight 10.9564 10.3485 11.9322 1160pM Fe,Midday 10.75081 8.36509 15.1676 1160pM Fe,Midnight 5.330978333333333 3.50777 6.19189 High carbon,Dark 9.928284 2.207 18.546 High carbon,Light 3.8357737692307694 0.655819 7.50823 Low carbon,Dark 7.92185 7.92185 7.92185 Phloroglucinol 5.056776666666667 3.83929 5.75545 Silicon starvation,12h 7.56315 7.56315 7.56315