condition mean min max 12pM Fe,Midday 551.697 551.697 551.697 12pM Fe,Midnight 308.45500000000004 293.129 323.781 58pM Fe,Midday 559.722 559.722 559.722 58pM Fe,Midnight 261.36157142857144 239.561 271.862 233pM Fe,Midnight 256.71500000000003 252.788 261.139 1160pM Fe,Midday 502.1145714285714 486.527 524.337 1160pM Fe,Midnight 239.75625 221.077 255.69 High carbon,Dark 307.66153333333335 239.365 456.269 High carbon,Light 459.84023076923074 348.743 689.823 Low carbon,Dark 391.3 391.3 391.3 Phloroglucinol 316.782 230.493 401.735 Silicon starvation,12h 373.713 373.713 373.713