condition mean min max 12pM Fe,Midday 11.8388 11.8388 11.8388 12pM Fe,Midnight 28.771 21.1061 36.4359 58pM Fe,Midday 14.2168 14.2168 14.2168 58pM Fe,Midnight 29.247642857142857 0.0 42.8069 233pM Fe,Midnight 63.04573333333334 55.1498 68.4621 1160pM Fe,Midday 6.78557 3.56996 11.5004 1160pM Fe,Midnight 37.832675 15.0655 68.6744 High carbon,Dark 46.74984666666667 23.2045 104.541 High carbon,Light 39.63406153846154 25.8617 74.1382 Low carbon,Dark 26.1082 26.1082 26.1082 Phloroglucinol 5.29376 4.23914 5.88086 Silicon starvation,12h 55.8118 55.8118 55.8118