condition mean min max 12pM Fe,Midday 41.9387 41.9387 41.9387 12pM Fe,Midnight 41.61725 40.1938 43.0407 58pM Fe,Midday 46.3866 46.3866 46.3866 58pM Fe,Midnight 33.04007142857143 0.0 41.9042 233pM Fe,Midnight 22.2055 19.5886 24.1089 1160pM Fe,Midday 15.471558571428572 8.21261 22.893 1160pM Fe,Midnight 12.518089999999999 6.52898 19.9068 High carbon,Dark 27.077573333333333 13.3434 42.8578 High carbon,Light 21.48312 1.54819 60.3035 Low carbon,Dark 13.4504 13.4504 13.4504 Phloroglucinol 35.81086666666667 32.1583 37.6784 Silicon starvation,12h 19.7802 19.7802 19.7802