condition mean min max 12pM Fe,Midday 67.9314 67.9314 67.9314 12pM Fe,Midnight 40.513400000000004 39.39 41.6368 58pM Fe,Midday 47.3321 47.3321 47.3321 58pM Fe,Midnight 29.99994285714286 0.0 39.4575 233pM Fe,Midnight 36.9505 34.9481 39.8959 1160pM Fe,Midday 33.72627142857143 29.9253 41.033 1160pM Fe,Midnight 23.061633333333333 10.1064 45.2054 High carbon,Dark 35.87997333333333 10.9227 52.4838 High carbon,Light 29.473803846153846 6.66805 44.7086 Low carbon,Dark 23.4637 23.4637 23.4637 Phloroglucinol 21.735466666666667 17.6631 27.8018 Silicon starvation,12h 45.7462 45.7462 45.7462