condition mean min max 12pM Fe,Midday 28.6054 28.6054 28.6054 12pM Fe,Midnight 21.4899 21.1943 21.7855 58pM Fe,Midday 24.8001 24.8001 24.8001 58pM Fe,Midnight 16.1666 0.0 23.7774 233pM Fe,Midnight 15.204166666666667 14.8666 15.8352 1160pM Fe,Midday 22.790242857142857 19.6546 24.3865 1160pM Fe,Midnight 21.63647 8.82647 35.1933 High carbon,Dark 19.872634666666666 3.35975 59.7634 High carbon,Light 16.420813846153845 1.01332 37.3061 Low carbon,Dark 12.6771 12.6771 12.6771 Phloroglucinol 39.4513 36.6646 41.9241 Silicon starvation,12h 32.9622 32.9622 32.9622