condition mean min max 12pM Fe,Midday 24.1835 24.1835 24.1835 12pM Fe,Midnight 20.20915 17.4352 22.9831 58pM Fe,Midday 19.2982 19.2982 19.2982 58pM Fe,Midnight 13.352814285714286 0.0 17.4297 233pM Fe,Midnight 18.747566666666668 16.3708 20.0502 1160pM Fe,Midday 17.0292 14.7037 19.0299 1160pM Fe,Midnight 9.065695 7.27042 11.1564 High carbon,Dark 15.71443 6.57656 23.5961 High carbon,Light 16.671663846153844 3.84315 38.0689 Low carbon,Dark 16.3939 16.3939 16.3939 Phloroglucinol 16.9521 11.4435 21.9346 Silicon starvation,12h 34.8634 34.8634 34.8634