condition mean min max 12pM Fe,Midday 43.4736 43.4736 43.4736 12pM Fe,Midnight 36.88785 35.7261 38.0496 58pM Fe,Midday 32.8184 32.8184 32.8184 58pM Fe,Midnight 21.797957142857143 0.0 30.0757 233pM Fe,Midnight 19.9579 19.5994 20.4475 1160pM Fe,Midday 23.558314285714285 17.0244 29.0419 1160pM Fe,Midnight 8.3062375 2.82583 15.7328 High carbon,Dark 13.174208666666667 2.89103 26.6968 High carbon,Light 8.439336153846154 0.0 21.2015 Low carbon,Dark 6.9161 6.9161 6.9161 Phloroglucinol 9.575843333333333 7.66356 12.3009 Silicon starvation,12h 19.7189 19.7189 19.7189