condition mean min max 12pM Fe,Midday 10.1851 10.1851 10.1851 12pM Fe,Midnight 20.76855 20.3196 21.2175 58pM Fe,Midday 5.51773 5.51773 5.51773 58pM Fe,Midnight 27.701014285714287 17.6142 73.8915 233pM Fe,Midnight 24.32906666666667 23.7539 25.138 1160pM Fe,Midday 3.877764285714286 2.02489 6.77866 1160pM Fe,Midnight 16.10333333333333 10.8622 25.3173 High carbon,Dark 22.092422666666668 6.13529 164.722 High carbon,Light 4.991335384615384 1.15466 11.1826 Low carbon,Dark 5.91089 5.91089 5.91089 Phloroglucinol 6.1993833333333335 4.62389 7.8848 Silicon starvation,12h 18.9226 18.9226 18.9226