condition mean min max 12pM Fe,Midday 11.661 11.661 11.661 12pM Fe,Midnight 13.08365 12.0769 14.0904 58pM Fe,Midday 9.04073 9.04073 9.04073 58pM Fe,Midnight 10.0347 0.0 12.8415 233pM Fe,Midnight 6.43745 5.67138 7.03193 1160pM Fe,Midday 7.259291428571428 4.80337 8.8532 1160pM Fe,Midnight 6.2033525 5.08928 8.38539 High carbon,Dark 6.053731333333333 1.40815 12.0845 High carbon,Light 4.177714461538462 0.0 10.6218 Low carbon,Dark 5.59439 5.59439 5.59439 Phloroglucinol 6.272333333333333 4.24508 8.32299 Silicon starvation,12h 5.75013 5.75013 5.75013