condition mean min max 12pM Fe,Midday 6.00439 6.00439 6.00439 12pM Fe,Midnight 6.11398 5.61632 6.61164 58pM Fe,Midday 19.5329 19.5329 19.5329 58pM Fe,Midnight 7.871417142857142 0.0 11.3151 233pM Fe,Midnight 8.581013333333333 7.36871 9.61645 1160pM Fe,Midday 12.698972857142858 8.84241 15.9707 1160pM Fe,Midnight 8.57851 3.05428 14.6423 High carbon,Dark 5.3218852 0.279899 17.0589 High carbon,Light 3.7524183846153845 0.0 11.6122 Low carbon,Dark 13.4875 13.4875 13.4875 Phloroglucinol 2.44436 1.32794 3.23784 Silicon starvation,12h 2.21055 2.21055 2.21055