condition mean min max 12pM Fe,Midday 3.46877 3.46877 3.46877 12pM Fe,Midnight 1.5320749999999999 1.03068 2.03347 58pM Fe,Midday 1.31543 1.31543 1.31543 58pM Fe,Midnight 1.032954 0.0 1.92625 233pM Fe,Midnight 2.7920966666666667 2.16024 3.45141 1160pM Fe,Midday 2.590948571428571 1.60911 3.50716 1160pM Fe,Midnight 6.09072575 0.372622 12.5216 High carbon,Dark 3.586114 0.0 11.4917 High carbon,Light 7.675252307692308 0.0 25.2712 Low carbon,Dark 3.22093 3.22093 3.22093 Phloroglucinol 15.064173333333333 6.75222 27.8827 Silicon starvation,12h 9.86811 9.86811 9.86811