condition mean min max 12pM Fe,Midday 16.1658 16.1658 16.1658 12pM Fe,Midnight 24.44305 24.0639 24.8222 58pM Fe,Midday 8.22726 8.22726 8.22726 58pM Fe,Midnight 24.3849 20.1418 37.5602 233pM Fe,Midnight 15.1068 14.3439 15.9238 1160pM Fe,Midday 7.484075714285714 6.48089 9.67579 1160pM Fe,Midnight 51.48011666666667 13.8976 85.7096 High carbon,Dark 29.182356666666667 8.29369 145.022 High carbon,Light 15.130727692307692 2.3637 43.4144 Low carbon,Dark 10.1298 10.1298 10.1298 Phloroglucinol 37.60883333333334 33.8673 42.1747 Silicon starvation,12h 33.0039 33.0039 33.0039