condition mean min max 12pM Fe,Midday 27.7872 27.7872 27.7872 12pM Fe,Midnight 29.724800000000002 29.5856 29.864 58pM Fe,Midday 21.3676 21.3676 21.3676 58pM Fe,Midnight 29.04387142857143 0.0 37.1266 233pM Fe,Midnight 30.424166666666665 27.2732 33.3035 1160pM Fe,Midday 22.639314285714285 18.4342 29.6396 1160pM Fe,Midnight 20.998075 16.3738 25.599 High carbon,Dark 26.12262 10.3969 47.1867 High carbon,Light 20.373547692307692 1.94746 36.6594 Low carbon,Dark 27.952 27.952 27.952 Phloroglucinol 10.808746666666668 7.25508 15.5508 Silicon starvation,12h 46.4891 46.4891 46.4891