condition mean min max 12pM Fe,Midday 439.062 439.062 439.062 12pM Fe,Midnight 432.7405 424.398 441.083 58pM Fe,Midday 433.639 433.639 433.639 58pM Fe,Midnight 324.56985714285713 0.0 403.508 233pM Fe,Midnight 283.066 263.703 306.337 1160pM Fe,Midday 315.6597142857143 263.61 341.934 1160pM Fe,Midnight 232.27108333333334 206.314 264.397 High carbon,Dark 350.45866666666666 186.509 485.596 High carbon,Light 323.46215384615385 144.793 473.786 Low carbon,Dark 349.328 349.328 349.328 Phloroglucinol 502.152 468.782 554.203 Silicon starvation,12h 147.192 147.192 147.192