condition mean min max 12pM Fe,Midday 29.2433 29.2433 29.2433 12pM Fe,Midnight 26.5506 23.1828 29.9184 58pM Fe,Midday 17.8162 17.8162 17.8162 58pM Fe,Midnight 21.035542857142858 19.2562 28.4033 233pM Fe,Midnight 15.249333333333334 14.7287 16.1962 1160pM Fe,Midday 18.23252857142857 16.5288 20.6912 1160pM Fe,Midnight 11.308364166666667 9.41834 13.9871 High carbon,Dark 19.696098 6.69657 33.4254 High carbon,Light 14.817375384615385 1.69337 29.1199 Low carbon,Dark 17.1381 17.1381 17.1381 Phloroglucinol 20.4327 17.2254 25.7481 Silicon starvation,12h 24.0486 24.0486 24.0486