condition mean min max 12pM Fe,Midday 18.1135 18.1135 18.1135 12pM Fe,Midnight 12.571349999999999 12.0436 13.0991 58pM Fe,Midday 13.0324 13.0324 13.0324 58pM Fe,Midnight 12.383094285714286 6.5638 42.2237 233pM Fe,Midnight 5.286513333333334 4.93318 5.47384 1160pM Fe,Midday 12.469328571428571 11.6346 13.0299 1160pM Fe,Midnight 2.4439266666666666 2.02898 2.85998 High carbon,Dark 7.429024 1.69429 19.4951 High carbon,Light 6.919480461538462 0.499859 18.9144 Low carbon,Dark 3.66716 3.66716 3.66716 Phloroglucinol 12.940633333333333 10.755 16.4274 Silicon starvation,12h 4.59548 4.59548 4.59548