condition mean min max 12pM Fe,Midday 277.621 277.621 277.621 12pM Fe,Midnight 255.25549999999998 238.871 271.64 58pM Fe,Midday 228.483 228.483 228.483 58pM Fe,Midnight 280.12357142857144 216.728 530.594 233pM Fe,Midnight 155.866 153.374 159.245 1160pM Fe,Midday 185.975 167.818 209.271 1160pM Fe,Midnight 151.17216666666667 115.603 180.597 High carbon,Dark 240.24826666666667 177.22 311.521 High carbon,Light 235.70561538461538 160.803 322.557 Low carbon,Dark 248.603 248.603 248.603 Phloroglucinol 217.13466666666667 195.944 231.345 Silicon starvation,12h 131.631 131.631 131.631