condition mean min max 12pM Fe,Midday 15.2734 15.2734 15.2734 12pM Fe,Midnight 18.27535 17.6486 18.9021 58pM Fe,Midday 16.5179 16.5179 16.5179 58pM Fe,Midnight 13.123671428571429 0.0 21.0071 233pM Fe,Midnight 21.208433333333332 19.1881 22.3453 1160pM Fe,Midday 12.455514285714285 10.2229 18.5277 1160pM Fe,Midnight 9.758722500000001 5.04476 18.9826 High carbon,Dark 17.275843333333334 4.22669 32.3773 High carbon,Light 13.221311538461539 6.01315 23.2287 Low carbon,Dark 14.5761 14.5761 14.5761 Phloroglucinol 11.305373333333334 5.97763 20.6465 Silicon starvation,12h 24.8289 24.8289 24.8289