condition mean min max 12pM Fe,Midday 67.3984 67.3984 67.3984 12pM Fe,Midnight 71.345 60.5826 82.1074 58pM Fe,Midday 36.9183 36.9183 36.9183 58pM Fe,Midnight 45.18215714285714 0.0 58.1459 233pM Fe,Midnight 33.42836666666667 31.1804 37.4031 1160pM Fe,Midday 34.24202857142857 29.1794 43.396 1160pM Fe,Midnight 15.74522 8.07764 27.0296 High carbon,Dark 28.146786666666667 11.5466 56.906 High carbon,Light 34.48536615384615 6.95596 69.2378 Low carbon,Dark 22.947 22.947 22.947 Phloroglucinol 53.47933333333334 51.0825 56.0025 Silicon starvation,12h 38.7128 38.7128 38.7128