condition mean min max 12pM Fe,Midday 5.31567 5.31567 5.31567 12pM Fe,Midnight 20.9003 19.9954 21.8052 58pM Fe,Midday 5.48748 5.48748 5.48748 58pM Fe,Midnight 16.757971428571427 0.0 37.242 233pM Fe,Midnight 32.87146666666666 32.0363 33.6577 1160pM Fe,Midday 3.66327 2.36249 6.03135 1160pM Fe,Midnight 41.579724999999996 26.1736 64.9519 High carbon,Dark 54.19516 35.5311 91.6964 High carbon,Light 21.421187692307694 5.79971 32.9521 Low carbon,Dark 38.8699 38.8699 38.8699 Phloroglucinol 2.84422 1.30693 4.81135 Silicon starvation,12h 97.7906 97.7906 97.7906