condition mean min max 12pM Fe,Midday 26.9559 26.9559 26.9559 12pM Fe,Midnight 36.308400000000006 35.9757 36.6411 58pM Fe,Midday 19.6777 19.6777 19.6777 58pM Fe,Midnight 22.72404285714286 0.0 28.1166 233pM Fe,Midnight 29.148533333333333 26.4552 30.9132 1160pM Fe,Midday 20.586814285714286 18.0157 23.524 1160pM Fe,Midnight 28.585975 21.1509 36.1918 High carbon,Dark 33.46178666666667 16.0212 53.5397 High carbon,Light 40.28227230769231 8.34159 72.0621 Low carbon,Dark 21.1711 21.1711 21.1711 Phloroglucinol 31.246000000000002 29.2555 34.4863 Silicon starvation,12h 61.9872 61.9872 61.9872