condition mean min max 12pM Fe,Midday 29.4645 29.4645 29.4645 12pM Fe,Midnight 19.5392 19.4994 19.579 58pM Fe,Midday 18.6648 18.6648 18.6648 58pM Fe,Midnight 17.520242857142858 0.0 25.1442 233pM Fe,Midnight 12.2826 10.7929 13.9707 1160pM Fe,Midday 19.229585714285715 16.9772 22.0589 1160pM Fe,Midnight 9.121078333333333 7.52123 11.5815 High carbon,Dark 12.428564 2.12269 21.5899 High carbon,Light 13.335996153846153 2.86926 25.3518 Low carbon,Dark 17.4104 17.4104 17.4104 Phloroglucinol 12.207526666666666 8.46728 16.1962 Silicon starvation,12h 28.5756 28.5756 28.5756