condition mean min max 12pM Fe,Midday 24.5392 24.5392 24.5392 12pM Fe,Midnight 21.9588 20.3982 23.5194 58pM Fe,Midday 19.3843 19.3843 19.3843 58pM Fe,Midnight 13.497657142857143 0.0 17.1944 233pM Fe,Midnight 11.022356666666667 9.72987 12.3694 1160pM Fe,Midday 15.530242857142857 14.0971 17.1301 1160pM Fe,Midnight 6.017808333333333 4.52084 7.76103 High carbon,Dark 19.533567333333334 5.69309 41.8537 High carbon,Light 18.805306923076923 3.39919 48.7459 Low carbon,Dark 10.9002 10.9002 10.9002 Phloroglucinol 59.34623333333333 54.7502 64.5602 Silicon starvation,12h 26.1848 26.1848 26.1848