condition mean min max 12pM Fe,Midday 161.17 161.17 161.17 12pM Fe,Midnight 72.0087 65.4003 78.6171 58pM Fe,Midday 120.566 120.566 120.566 58pM Fe,Midnight 46.84037142857143 38.3014 61.0809 233pM Fe,Midnight 33.543 31.3329 36.7032 1160pM Fe,Midday 110.51571428571428 102.832 118.974 1160pM Fe,Midnight 23.93284166666667 11.115 34.5982 High carbon,Dark 94.08046666666667 21.9013 176.578 High carbon,Light 125.81777769230769 8.90161 230.33 Low carbon,Dark 153.284 153.284 153.284 Phloroglucinol 365.77 326.958 407.419 Silicon starvation,12h 138.724 138.724 138.724