condition mean min max 12pM Fe,Midday 25.7319 25.7319 25.7319 12pM Fe,Midnight 23.829700000000003 22.622 25.0374 58pM Fe,Midday 33.449 33.449 33.449 58pM Fe,Midnight 16.345557142857142 0.0 21.4036 233pM Fe,Midnight 19.120533333333334 17.8046 19.98 1160pM Fe,Midday 23.796542857142857 19.3121 26.596 1160pM Fe,Midnight 14.042983333333334 10.9933 16.6362 High carbon,Dark 24.839892666666668 7.14761 51.5838 High carbon,Light 15.698035384615384 2.1259 30.9034 Low carbon,Dark 35.1319 35.1319 35.1319 Phloroglucinol 7.612096666666666 5.95384 10.4826 Silicon starvation,12h 70.7129 70.7129 70.7129