condition mean min max 12pM Fe,Midday 59.8586 59.8586 59.8586 12pM Fe,Midnight 49.207049999999995 48.3315 50.0826 58pM Fe,Midday 44.4893 44.4893 44.4893 58pM Fe,Midnight 29.4768 0.0 37.4388 233pM Fe,Midnight 25.086833333333335 23.6816 26.8599 1160pM Fe,Midday 28.584814285714288 27.0255 30.9843 1160pM Fe,Midnight 19.695266666666665 17.2637 22.1414 High carbon,Dark 24.067849333333335 8.94334 41.7928 High carbon,Light 13.440799 0.332522 20.5121 Low carbon,Dark 12.9663 12.9663 12.9663 Phloroglucinol 15.853646666666666 7.74694 22.7986 Silicon starvation,12h 15.2223 15.2223 15.2223