condition mean min max 12pM Fe,Midday 37.954 37.954 37.954 12pM Fe,Midnight 13.233 12.6443 13.8217 58pM Fe,Midday 37.3635 37.3635 37.3635 58pM Fe,Midnight 9.802522857142858 0.0 13.6946 233pM Fe,Midnight 13.0781 12.6921 13.3425 1160pM Fe,Midday 30.733171428571428 25.7504 33.8789 1160pM Fe,Midnight 3.6419558333333333 1.51625 7.14717 High carbon,Dark 10.499623333333334 3.2331 18.7568 High carbon,Light 13.716536923076923 1.33538 20.1505 Low carbon,Dark 14.4173 14.4173 14.4173 Phloroglucinol 12.69115 9.96265 16.0612 Silicon starvation,12h 27.2037 27.2037 27.2037