condition mean min max 12pM Fe,Midday 16.7396 16.7396 16.7396 12pM Fe,Midnight 20.42485 19.2434 21.6063 58pM Fe,Midday 15.7574 15.7574 15.7574 58pM Fe,Midnight 10.6439 0.0 13.9471 233pM Fe,Midnight 13.204766666666668 12.1026 14.2773 1160pM Fe,Midday 10.443662857142858 9.02958 11.4847 1160pM Fe,Midnight 7.348495 4.39053 11.3376 High carbon,Dark 23.28062 12.7425 39.1375 High carbon,Light 16.60856453846154 0.666159 35.8952 Low carbon,Dark 18.1341 18.1341 18.1341 Phloroglucinol 44.073366666666665 40.0377 49.0995 Silicon starvation,12h 28.9106 28.9106 28.9106