condition mean min max 12pM Fe,Midday 54.0847 54.0847 54.0847 12pM Fe,Midnight 46.2311 40.3273 52.1349 58pM Fe,Midday 27.4499 27.4499 27.4499 58pM Fe,Midnight 23.73107142857143 0.0 31.7195 233pM Fe,Midnight 18.9336 18.3449 19.7718 1160pM Fe,Midday 23.905614285714286 20.0699 31.8672 1160pM Fe,Midnight 7.97456 6.01447 10.4339 High carbon,Dark 13.343122666666666 4.6726 28.5215 High carbon,Light 5.581705769230769 0.720915 15.4533 Low carbon,Dark 14.924 14.924 14.924 Phloroglucinol 12.788206666666667 8.82442 17.7983 Silicon starvation,12h 11.2639 11.2639 11.2639