condition mean min max 12pM Fe,Midday 16.2423 16.2423 16.2423 12pM Fe,Midnight 106.3461 90.5992 122.093 58pM Fe,Midday 7.05533 7.05533 7.05533 58pM Fe,Midnight 91.54347142857142 40.4552 126.448 233pM Fe,Midnight 107.83533333333334 103.798 112.003 1160pM Fe,Midday 69.74895714285714 49.029 93.0289 1160pM Fe,Midnight 60.635225 40.1242 93.1826 High carbon,Dark 127.8303 45.6253 441.376 High carbon,Light 257.22633076923074 17.4983 637.087 Low carbon,Dark 50.8668 50.8668 50.8668 Phloroglucinol 55.66133333333333 14.6875 104.368 Silicon starvation,12h 51.7517 51.7517 51.7517