condition mean min max 12pM Fe,Midday 71.4015 71.4015 71.4015 12pM Fe,Midnight 43.3642 39.1292 47.5992 58pM Fe,Midday 41.5796 41.5796 41.5796 58pM Fe,Midnight 26.62247142857143 0.0 34.2523 233pM Fe,Midnight 17.123033333333332 14.2521 20.0933 1160pM Fe,Midday 33.872457142857144 28.3161 38.4452 1160pM Fe,Midnight 39.73115833333333 12.3884 62.3979 High carbon,Dark 59.97072933333333 7.45907 438.642 High carbon,Light 36.23038230769231 5.3891 120.683 Low carbon,Dark 19.8333 19.8333 19.8333 Phloroglucinol 69.76806666666667 40.3443 87.9368 Silicon starvation,12h 30.7293 30.7293 30.7293