condition mean min max 12pM Fe,Midday 73.8849 73.8849 73.8849 12pM Fe,Midnight 69.43860000000001 64.6894 74.1878 58pM Fe,Midday 64.8132 64.8132 64.8132 58pM Fe,Midnight 58.75187142857143 0.0 90.5059 233pM Fe,Midnight 50.53386666666667 45.1692 58.4358 1160pM Fe,Midday 47.96214285714286 43.0231 52.8732 1160pM Fe,Midnight 33.32015833333333 21.7607 52.3584 High carbon,Dark 52.49013333333333 27.4956 75.601 High carbon,Light 42.0873 7.49949 87.4413 Low carbon,Dark 46.5751 46.5751 46.5751 Phloroglucinol 38.19383333333333 24.3465 50.7718 Silicon starvation,12h 80.4525 80.4525 80.4525