condition mean min max 12pM Fe,Midday 16.1535 16.1535 16.1535 12pM Fe,Midnight 18.547649999999997 18.2288 18.8665 58pM Fe,Midday 12.4242 12.4242 12.4242 58pM Fe,Midnight 12.392071428571429 0.0 16.3258 233pM Fe,Midnight 8.362013333333334 7.89314 9.08915 1160pM Fe,Midday 9.32128 7.54148 10.8942 1160pM Fe,Midnight 3.8555075 1.73249 6.34946 High carbon,Dark 7.883596666666667 2.44509 16.0947 High carbon,Light 5.297974 0.0 9.37989 Low carbon,Dark 7.67272 7.67272 7.67272 Phloroglucinol 7.33 5.34194 8.55032 Silicon starvation,12h 12.0188 12.0188 12.0188