condition mean min max 12pM Fe,Midday 16.0938 16.0938 16.0938 12pM Fe,Midnight 32.87125 31.101 34.6415 58pM Fe,Midday 10.2664 10.2664 10.2664 58pM Fe,Midnight 48.61015714285715 29.0334 133.049 233pM Fe,Midnight 43.25313333333334 37.9172 48.9543 1160pM Fe,Midday 23.9966 19.8402 33.5348 1160pM Fe,Midnight 23.581675 13.836 43.5165 High carbon,Dark 25.377646666666667 5.932 42.0835 High carbon,Light 21.507353846153848 11.0104 42.3795 Low carbon,Dark 22.5027 22.5027 22.5027 Phloroglucinol 10.550936666666667 6.88481 16.0904 Silicon starvation,12h 41.0994 41.0994 41.0994