condition mean min max 12pM Fe,Midday 25.3771 25.3771 25.3771 12pM Fe,Midnight 22.4727 19.615 25.3304 58pM Fe,Midday 24.8824 24.8824 24.8824 58pM Fe,Midnight 22.732142857142858 13.1596 60.9541 233pM Fe,Midnight 22.5861 21.9975 22.9081 1160pM Fe,Midday 17.5564 14.8145 19.4301 1160pM Fe,Midnight 12.394625833333333 7.16831 20.5817 High carbon,Dark 18.20804 11.5819 24.1536 High carbon,Light 17.089447692307694 6.49436 37.2902 Low carbon,Dark 15.8817 15.8817 15.8817 Phloroglucinol 13.397066666666667 10.8405 14.953 Silicon starvation,12h 30.6336 30.6336 30.6336