condition mean min max 12pM Fe,Midday 26.8871 26.8871 26.8871 12pM Fe,Midnight 11.409755 9.20251 13.617 58pM Fe,Midday 9.63683 9.63683 9.63683 58pM Fe,Midnight 5.215011428571429 0.0 7.85866 233pM Fe,Midnight 4.75882 3.58661 5.60294 1160pM Fe,Midday 12.924628571428572 12.3114 13.858 1160pM Fe,Midnight 1.4932475833333334 0.287629 3.07106 High carbon,Dark 12.723894 5.11351 31.3507 High carbon,Light 8.615737692307691 1.66961 13.9621 Low carbon,Dark 6.63653 6.63653 6.63653 Phloroglucinol 1.648404 0.639802 3.01438 Silicon starvation,12h 12.3932 12.3932 12.3932