condition mean min max 12pM Fe,Midday 28.8225 28.8225 28.8225 12pM Fe,Midnight 23.66265 22.2098 25.1155 58pM Fe,Midday 19.3581 19.3581 19.3581 58pM Fe,Midnight 17.712085714285713 0.0 23.0737 233pM Fe,Midnight 11.012046666666667 9.79454 12.7529 1160pM Fe,Midday 16.9697 14.8625 18.0319 1160pM Fe,Midnight 10.537075833333333 6.9887 12.5786 High carbon,Dark 20.518312666666667 8.42947 31.1646 High carbon,Light 17.502747692307693 2.8621 31.5443 Low carbon,Dark 15.7999 15.7999 15.7999 Phloroglucinol 17.0524 15.8514 18.4417 Silicon starvation,12h 36.9474 36.9474 36.9474