condition mean min max 12pM Fe,Midday 236.704 236.704 236.704 12pM Fe,Midnight 179.1165 175.616 182.617 58pM Fe,Midday 87.6951 87.6951 87.6951 58pM Fe,Midnight 150.827 125.858 213.633 233pM Fe,Midnight 43.141466666666666 39.3671 46.9124 1160pM Fe,Midday 25.75292857142857 17.4672 44.3747 1160pM Fe,Midnight 101.78518333333334 68.408 152.419 High carbon,Dark 64.50804 17.4893 138.323 High carbon,Light 34.34466692307692 9.36337 95.9267 Low carbon,Dark 21.108 21.108 21.108 Phloroglucinol 73.18236666666667 47.0298 87.2952 Silicon starvation,12h 22.9937 22.9937 22.9937