condition mean min max 12pM Fe,Midday 44.5956 44.5956 44.5956 12pM Fe,Midnight 48.77235 45.3793 52.1654 58pM Fe,Midday 28.6518 28.6518 28.6518 58pM Fe,Midnight 32.88081428571429 25.6939 36.9733 233pM Fe,Midnight 21.576266666666665 20.9759 22.4706 1160pM Fe,Midday 24.5049 22.3224 26.952 1160pM Fe,Midnight 14.651478333333333 9.62964 22.5883 High carbon,Dark 18.190404666666666 3.78035 35.5438 High carbon,Light 12.312953846153846 4.50372 31.8279 Low carbon,Dark 13.1543 13.1543 13.1543 Phloroglucinol 14.567813333333334 9.19414 19.1556 Silicon starvation,12h 14.6401 14.6401 14.6401