condition mean min max 12pM Fe,Midday 27.8557 27.8557 27.8557 12pM Fe,Midnight 18.4685 16.5445 20.3925 58pM Fe,Midday 21.8913 21.8913 21.8913 58pM Fe,Midnight 25.53872857142857 16.3955 65.1469 233pM Fe,Midnight 15.234466666666666 13.9238 16.9268 1160pM Fe,Midday 16.426099999999998 14.1333 19.8008 1160pM Fe,Midnight 16.305975 14.0221 19.2926 High carbon,Dark 22.865376666666666 7.84235 39.1593 High carbon,Light 18.823283076923076 6.45433 28.3346 Low carbon,Dark 14.2941 14.2941 14.2941 Phloroglucinol 9.724150000000002 5.97149 16.481 Silicon starvation,12h 25.5461 25.5461 25.5461