condition mean min max 12pM Fe,Midday 6.73984 6.73984 6.73984 12pM Fe,Midnight 4.22395 3.83835 4.60955 58pM Fe,Midday 6.67369 6.67369 6.67369 58pM Fe,Midnight 2.1748914285714287 0.0 3.52144 233pM Fe,Midnight 1.8058766666666666 1.59162 2.09868 1160pM Fe,Midday 4.1270557142857145 2.56752 5.04186 1160pM Fe,Midnight 1.202507 0.371024 2.29269 High carbon,Dark 2.3401244 0.338726 5.49711 High carbon,Light 2.219425307692308 0.225109 5.11599 Low carbon,Dark 1.30381 1.30381 1.30381 Phloroglucinol 1.0992863333333334 0.874639 1.30723 Silicon starvation,12h 6.57387 6.57387 6.57387