condition mean min max 12pM Fe,Midday 15.3537 15.3537 15.3537 12pM Fe,Midnight 12.3443 11.8231 12.8655 58pM Fe,Midday 9.33368 9.33368 9.33368 58pM Fe,Midnight 7.891201428571429 0.0 10.4088 233pM Fe,Midnight 5.226493333333333 5.04636 5.54732 1160pM Fe,Midday 7.42881 6.21297 8.72152 1160pM Fe,Midnight 3.9231725 2.05345 6.37295 High carbon,Dark 7.514634 3.68367 14.2349 High carbon,Light 5.935419230769231 2.06392 10.7533 Low carbon,Dark 5.14221 5.14221 5.14221 Phloroglucinol 4.506236666666666 3.15805 5.98884 Silicon starvation,12h 6.60186 6.60186 6.60186