condition mean min max 12pM Fe,Midday 41.0929 41.0929 41.0929 12pM Fe,Midnight 38.851600000000005 37.6939 40.0093 58pM Fe,Midday 26.3202 26.3202 26.3202 58pM Fe,Midnight 41.43252857142857 23.6381 117.49 233pM Fe,Midnight 17.610933333333335 17.2099 18.0443 1160pM Fe,Midday 20.227657142857144 17.4354 22.3168 1160pM Fe,Midnight 10.708191666666666 8.36702 12.5692 High carbon,Dark 19.486752 8.07928 38.1831 High carbon,Light 14.992351538461538 1.29715 30.7323 Low carbon,Dark 20.2293 20.2293 20.2293 Phloroglucinol 24.508433333333333 20.1291 31.3742 Silicon starvation,12h 25.5118 25.5118 25.5118