condition mean min max 12pM Fe,Midday 12.8897 12.8897 12.8897 12pM Fe,Midnight 29.56175 26.0649 33.0586 58pM Fe,Midday 13.94 13.94 13.94 58pM Fe,Midnight 24.187628571428572 0.0 32.8537 233pM Fe,Midnight 42.235033333333334 39.2447 44.6125 1160pM Fe,Midday 9.752118571428571 6.39459 13.5151 1160pM Fe,Midnight 18.720139166666666 8.00329 40.2355 High carbon,Dark 27.872030666666667 8.75256 51.1055 High carbon,Light 52.47228923076923 4.21575 148.269 Low carbon,Dark 32.5816 32.5816 32.5816 Phloroglucinol 5.23074 4.87877 5.83342 Silicon starvation,12h 31.78 31.78 31.78