condition mean min max 12pM Fe,Midday 45.9499 45.9499 45.9499 12pM Fe,Midnight 37.467150000000004 34.1329 40.8014 58pM Fe,Midday 35.9892 35.9892 35.9892 58pM Fe,Midnight 38.97531428571428 24.5762 91.5103 233pM Fe,Midnight 30.034133333333333 28.4426 31.1011 1160pM Fe,Midday 31.390942857142857 28.916 34.7173 1160pM Fe,Midnight 19.131433333333334 17.4849 20.8313 High carbon,Dark 33.22155333333333 13.8719 48.3549 High carbon,Light 30.309092307692307 14.3971 50.2752 Low carbon,Dark 34.3008 34.3008 34.3008 Phloroglucinol 17.523466666666668 15.8082 18.9413 Silicon starvation,12h 62.3211 62.3211 62.3211