condition mean min max 12pM Fe,Midday 0.212495 0.212495 0.212495 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 2.16324 2.16324 2.16324 58pM Fe,Midnight 1.3100377142857142 0.0 2.61591 233pM Fe,Midnight 6.36909 5.44435 7.60194 1160pM Fe,Midday 7.0375185714285715 5.02687 8.70165 1160pM Fe,Midnight 0.9042421666666667 0.412414 1.75765 High carbon,Dark 6.586885266666667 0.273767 22.9501 High carbon,Light 5.629519615384615 0.500395 20.9998 Low carbon,Dark 13.1213 13.1213 13.1213 Phloroglucinol 6.9017599999999995 4.141 9.2495 Silicon starvation,12h 3.95181 3.95181 3.95181