condition mean min max 12pM Fe,Midday 21.3772 21.3772 21.3772 12pM Fe,Midnight 20.8956 19.0241 22.7671 58pM Fe,Midday 9.34381 9.34381 9.34381 58pM Fe,Midnight 12.230828571428571 0.0 18.7562 233pM Fe,Midnight 13.942966666666667 11.9048 15.1675 1160pM Fe,Midday 9.408441428571429 8.03565 10.4871 1160pM Fe,Midnight 12.478174166666667 9.72339 15.7607 High carbon,Dark 9.05429 0.81642 18.1425 High carbon,Light 5.554970230769231 0.361298 11.8035 Low carbon,Dark 5.02224 5.02224 5.02224 Phloroglucinol 6.206486666666667 5.32592 7.32745 Silicon starvation,12h 5.71512 5.71512 5.71512