condition mean min max 12pM Fe,Midday 32.6992 32.6992 32.6992 12pM Fe,Midnight 38.1899 34.9093 41.4705 58pM Fe,Midday 14.3493 14.3493 14.3493 58pM Fe,Midnight 39.67097142857143 0.0 56.8994 233pM Fe,Midnight 29.180266666666668 26.9326 32.9595 1160pM Fe,Midday 13.349924285714286 9.59924 16.925 1160pM Fe,Midnight 23.505775 11.6829 45.085 High carbon,Dark 14.797487333333333 6.7416 20.8677 High carbon,Light 11.263938461538462 5.94729 20.1291 Low carbon,Dark 14.2557 14.2557 14.2557 Phloroglucinol 15.529133333333334 10.2525 19.4906 Silicon starvation,12h 16.0334 16.0334 16.0334