condition mean min max 12pM Fe,Midday 23.0464 23.0464 23.0464 12pM Fe,Midnight 24.338700000000003 24.2162 24.4612 58pM Fe,Midday 14.8181 14.8181 14.8181 58pM Fe,Midnight 17.901914285714284 0.0 24.6128 233pM Fe,Midnight 12.946433333333333 12.5562 13.5083 1160pM Fe,Midday 13.820714285714285 12.1363 14.8896 1160pM Fe,Midnight 9.198240833333333 6.95781 11.4474 High carbon,Dark 10.333128666666667 4.4223 15.4117 High carbon,Light 8.805253076923076 0.9722 17.4787 Low carbon,Dark 8.03418 8.03418 8.03418 Phloroglucinol 13.7268 11.1934 18.7441 Silicon starvation,12h 16.6972 16.6972 16.6972