condition mean min max 12pM Fe,Midday 42.2909 42.2909 42.2909 12pM Fe,Midnight 40.3207 34.8978 45.7436 58pM Fe,Midday 19.524 19.524 19.524 58pM Fe,Midnight 31.036771428571427 0.0 42.4871 233pM Fe,Midnight 41.79176666666667 38.4691 44.8235 1160pM Fe,Midday 17.501685714285713 12.42 22.2488 1160pM Fe,Midnight 36.358041666666665 22.7533 58.1509 High carbon,Dark 50.91864666666667 26.8622 80.5753 High carbon,Light 35.11689230769231 12.8968 66.1483 Low carbon,Dark 21.6621 21.6621 21.6621 Phloroglucinol 23.3911 20.67 27.8996 Silicon starvation,12h 68.0018 68.0018 68.0018