condition mean min max 12pM Fe,Midday 30.5962 30.5962 30.5962 12pM Fe,Midnight 31.2747 28.6993 33.8501 58pM Fe,Midday 33.9739 33.9739 33.9739 58pM Fe,Midnight 13.496914285714285 0.0 17.7233 233pM Fe,Midnight 21.247766666666667 19.8016 23.4292 1160pM Fe,Midday 29.560114285714285 23.9967 34.951 1160pM Fe,Midnight 7.4420225 3.6788 14.2172 High carbon,Dark 25.915234666666667 3.80337 39.0086 High carbon,Light 21.887633846153847 2.22171 38.2522 Low carbon,Dark 23.3966 23.3966 23.3966 Phloroglucinol 6.573813333333334 6.13095 7.14265 Silicon starvation,12h 49.4942 49.4942 49.4942