condition mean min max 12pM Fe,Midday 11.3943 11.3943 11.3943 12pM Fe,Midnight 7.50404 6.87602 8.13206 58pM Fe,Midday 63.6561 63.6561 63.6561 58pM Fe,Midnight 27.580934285714285 9.71994 79.4217 233pM Fe,Midnight 16.662733333333332 15.4195 18.0878 1160pM Fe,Midday 23.8778 19.0266 28.6642 1160pM Fe,Midnight 16.450285 9.47442 23.1707 High carbon,Dark 12.9570648 0.708202 40.0674 High carbon,Light 8.639106923076923 1.57834 27.1553 Low carbon,Dark 12.3435 12.3435 12.3435 Phloroglucinol 22.1556 15.3999 34.3234 Silicon starvation,12h 10.1694 10.1694 10.1694