condition mean min max 12pM Fe,Midday 72.5302 72.5302 72.5302 12pM Fe,Midnight 45.19114999999999 44.2285 46.1538 58pM Fe,Midday 39.943 39.943 39.943 58pM Fe,Midnight 32.13851428571429 0.0 40.9231 233pM Fe,Midnight 22.369699999999998 19.8999 24.7286 1160pM Fe,Midday 39.67431428571429 35.6459 43.619 1160pM Fe,Midnight 13.94138 8.64146 19.5449 High carbon,Dark 24.722008666666667 7.05024 41.1997 High carbon,Light 23.58344230769231 3.58317 53.881 Low carbon,Dark 24.7256 24.7256 24.7256 Phloroglucinol 23.713066666666666 17.1627 28.163 Silicon starvation,12h 64.6427 64.6427 64.6427