condition mean min max 12pM Fe,Midday 20.5475 20.5475 20.5475 12pM Fe,Midnight 23.6173 22.6163 24.6183 58pM Fe,Midday 15.3944 15.3944 15.3944 58pM Fe,Midnight 13.281828571428571 0.0 18.6477 233pM Fe,Midnight 7.4647266666666665 6.55259 7.99567 1160pM Fe,Midday 10.013557142857143 8.37396 12.0303 1160pM Fe,Midnight 6.712184166666667 5.09256 9.63313 High carbon,Dark 19.152842666666665 3.66632 43.2174 High carbon,Light 11.133154692307691 0.882961 25.7007 Low carbon,Dark 20.472 20.472 20.472 Phloroglucinol 6.535773333333333 3.10141 10.627 Silicon starvation,12h 1.19469 1.19469 1.19469