condition mean min max 12pM Fe,Midday 47.4252 47.4252 47.4252 12pM Fe,Midnight 20.7521 20.6317 20.8725 58pM Fe,Midday 30.2397 30.2397 30.2397 58pM Fe,Midnight 14.447357142857143 0.0 20.3838 233pM Fe,Midnight 8.49075 7.51861 9.78485 1160pM Fe,Midday 20.728514285714287 17.4807 23.1959 1160pM Fe,Midnight 9.7575325 7.2388 11.4394 High carbon,Dark 18.949235333333334 5.50833 35.6495 High carbon,Light 15.470355461538462 0.710981 22.1283 Low carbon,Dark 5.64745 5.64745 5.64745 Phloroglucinol 9.494466666666666 7.7584 11.3524 Silicon starvation,12h 12.0293 12.0293 12.0293