condition mean min max 12pM Fe,Midday 83.4814 83.4814 83.4814 12pM Fe,Midnight 83.2019 76.8619 89.5419 58pM Fe,Midday 70.6294 70.6294 70.6294 58pM Fe,Midnight 61.21765714285714 47.3841 67.4981 233pM Fe,Midnight 79.49246666666667 75.8357 82.0612 1160pM Fe,Midday 70.81861428571429 61.1069 80.5699 1160pM Fe,Midnight 59.48158333333333 36.1767 73.8827 High carbon,Dark 87.05656666666667 40.0671 151.766 High carbon,Light 80.29746153846153 28.3442 141.535 Low carbon,Dark 93.5624 93.5624 93.5624 Phloroglucinol 106.40353333333333 89.1806 119.443 Silicon starvation,12h 105.249 105.249 105.249