condition mean min max 12pM Fe,Midday 18.3945 18.3945 18.3945 12pM Fe,Midnight 15.239550000000001 13.885 16.5941 58pM Fe,Midday 10.5242 10.5242 10.5242 58pM Fe,Midnight 10.2234 0.0 13.0568 233pM Fe,Midnight 8.362793333333332 8.12107 8.73618 1160pM Fe,Midday 9.391707142857143 8.54783 11.0762 1160pM Fe,Midnight 10.195855 7.45605 12.666 High carbon,Dark 9.989191333333334 5.34366 16.8198 High carbon,Light 7.081913076923077 1.67955 13.3683 Low carbon,Dark 7.66461 7.66461 7.66461 Phloroglucinol 6.00015 5.30838 7.06131 Silicon starvation,12h 83.5772 83.5772 83.5772