condition mean min max 12pM Fe,Midday 38.8327 38.8327 38.8327 12pM Fe,Midnight 40.9505 36.4338 45.4672 58pM Fe,Midday 54.1558 54.1558 54.1558 58pM Fe,Midnight 27.6841 0.0 37.8608 233pM Fe,Midnight 19.4393 19.1893 19.8858 1160pM Fe,Midday 32.29991428571429 27.5501 37.3423 1160pM Fe,Midnight 110.33626666666666 13.1587 170.868 High carbon,Dark 29.966636 0.0 77.9992 High carbon,Light 29.64222923076923 1.37968 66.7896 Low carbon,Dark 22.6343 22.6343 22.6343 Phloroglucinol 9.36119 5.02541 14.1434 Silicon starvation,12h 147.697 147.697 147.697