condition mean min max 12pM Fe,Midday 33.45 33.45 33.45 12pM Fe,Midnight 41.06875 38.0169 44.1206 58pM Fe,Midday 24.5242 24.5242 24.5242 58pM Fe,Midnight 29.96432857142857 0.0 38.1773 233pM Fe,Midnight 41.323166666666665 38.3898 44.5815 1160pM Fe,Midday 25.115057142857143 19.6408 29.6762 1160pM Fe,Midnight 57.855875 47.3983 67.4421 High carbon,Dark 90.80171333333334 40.3895 341.575 High carbon,Light 77.01586153846154 23.7969 126.657 Low carbon,Dark 27.1775 27.1775 27.1775 Phloroglucinol 72.62379999999999 50.3015 103.041 Silicon starvation,12h 74.3609 74.3609 74.3609