condition mean min max 12pM Fe,Midday 17.8009 17.8009 17.8009 12pM Fe,Midnight 11.42975 11.3519 11.5076 58pM Fe,Midday 14.0482 14.0482 14.0482 58pM Fe,Midnight 9.895881428571428 0.0 14.5018 233pM Fe,Midnight 6.230723333333334 4.1753 8.2249 1160pM Fe,Midday 13.01930142857143 7.94501 15.4361 1160pM Fe,Midnight 3.4266 1.21086 5.5808 High carbon,Dark 18.684292 4.57512 38.0235 High carbon,Light 15.454195384615385 3.3988 27.4904 Low carbon,Dark 21.108 21.108 21.108 Phloroglucinol 23.4249 16.1207 29.2429 Silicon starvation,12h 30.9319 30.9319 30.9319