condition mean min max 12pM Fe,Midday 23.509 23.509 23.509 12pM Fe,Midnight 17.3246 17.3062 17.343 58pM Fe,Midday 20.8019 20.8019 20.8019 58pM Fe,Midnight 14.846757142857143 0.0 20.4905 233pM Fe,Midnight 11.665266666666668 10.7041 12.5022 1160pM Fe,Midday 17.65167142857143 13.5241 22.73 1160pM Fe,Midnight 9.3036875 3.18544 20.6571 High carbon,Dark 26.415902 7.11713 52.2676 High carbon,Light 20.880383846153848 4.81704 52.5951 Low carbon,Dark 12.4476 12.4476 12.4476 Phloroglucinol 8.775066666666667 5.34395 11.8776 Silicon starvation,12h 16.6823 16.6823 16.6823