condition mean min max 12pM Fe,Midday 23.3336 23.3336 23.3336 12pM Fe,Midnight 18.94055 18.2621 19.619 58pM Fe,Midday 16.8153 16.8153 16.8153 58pM Fe,Midnight 24.75847142857143 13.2453 85.5132 233pM Fe,Midnight 12.737 12.3022 13.1751 1160pM Fe,Midday 18.833285714285715 17.5122 19.9887 1160pM Fe,Midnight 8.386838333333333 6.05696 10.9578 High carbon,Dark 8.576824 2.75366 16.6353 High carbon,Light 9.040655076923077 0.991316 17.2982 Low carbon,Dark 7.03601 7.03601 7.03601 Phloroglucinol 23.801466666666666 21.5196 27.1236 Silicon starvation,12h 11.9074 11.9074 11.9074