condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.171052 0.0 0.342104 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.160965 0.0 0.592308 233pM Fe,Midnight 0.34927833333333336 0.206718 0.633441 1160pM Fe,Midday 0.03938842857142857 0.0 0.275719 1160pM Fe,Midnight 0.08678591666666667 0.0 0.28669 High carbon,Dark 0.32667086666666667 0.0 1.28576 High carbon,Light 0.19363769230769232 0.0 2.51729 Low carbon,Dark 2.16751 2.16751 2.16751 Phloroglucinol 6.18358 2.7165 9.08777 Silicon starvation,12h 2.08708 2.08708 2.08708