condition mean min max 12pM Fe,Midday 45.0877 45.0877 45.0877 12pM Fe,Midnight 35.6375 33.8522 37.4228 58pM Fe,Midday 37.5045 37.5045 37.5045 58pM Fe,Midnight 21.645699999999998 0.0 30.0114 233pM Fe,Midnight 21.8509 21.1607 22.4246 1160pM Fe,Midday 28.908428571428573 26.425 31.3992 1160pM Fe,Midnight 14.461608333333333 11.3477 18.2959 High carbon,Dark 19.639906666666665 5.63574 35.2525 High carbon,Light 17.47147 1.84215 35.5848 Low carbon,Dark 19.1832 19.1832 19.1832 Phloroglucinol 20.628433333333334 14.7059 28.2957 Silicon starvation,12h 30.9137 30.9137 30.9137