condition mean min max 12pM Fe,Midday 23.4172 23.4172 23.4172 12pM Fe,Midnight 42.7049 40.8502 44.5596 58pM Fe,Midday 18.047 18.047 18.047 58pM Fe,Midnight 83.4487 43.6728 135.178 233pM Fe,Midnight 107.92003333333334 98.8041 119.491 1160pM Fe,Midday 22.23387142857143 9.8015 56.7343 1160pM Fe,Midnight 80.347925 57.3422 120.555 High carbon,Dark 71.40100666666667 13.1898 348.999 High carbon,Light 38.642538461538464 11.1898 79.0209 Low carbon,Dark 22.7085 22.7085 22.7085 Phloroglucinol 23.373033333333332 17.9091 28.3058 Silicon starvation,12h 37.1773 37.1773 37.1773