condition mean min max 12pM Fe,Midday 43.474 43.474 43.474 12pM Fe,Midnight 24.93895 18.3565 31.5214 58pM Fe,Midday 31.8155 31.8155 31.8155 58pM Fe,Midnight 21.416042857142855 0.0 33.29 233pM Fe,Midnight 18.9891 16.7645 22.289 1160pM Fe,Midday 34.492171428571424 30.2694 39.0712 1160pM Fe,Midnight 9.141555 4.66187 13.6267 High carbon,Dark 18.476356 8.55264 30.1395 High carbon,Light 20.446834615384613 6.15789 34.8972 Low carbon,Dark 16.4658 16.4658 16.4658 Phloroglucinol 12.956976666666666 9.42203 16.5324 Silicon starvation,12h 36.8241 36.8241 36.8241