condition mean min max 12pM Fe,Midday 21.1785 21.1785 21.1785 12pM Fe,Midnight 16.15755 15.2029 17.1122 58pM Fe,Midday 13.7646 13.7646 13.7646 58pM Fe,Midnight 9.66603 0.0 12.3126 233pM Fe,Midnight 8.977163333333333 7.95092 9.64302 1160pM Fe,Midday 13.164842857142856 10.799 14.7168 1160pM Fe,Midnight 4.734889166666667 2.73917 6.82321 High carbon,Dark 11.584028666666667 1.78229 22.0034 High carbon,Light 8.493996923076923 1.76539 18.1232 Low carbon,Dark 6.09101 6.09101 6.09101 Phloroglucinol 23.011333333333333 18.2476 31.1222 Silicon starvation,12h 36.6828 36.6828 36.6828