condition mean min max 12pM Fe,Midday 8.88496 8.88496 8.88496 12pM Fe,Midnight 32.5071 28.14 36.8742 58pM Fe,Midday 3.2162 3.2162 3.2162 58pM Fe,Midnight 25.386971428571428 0.0 35.6199 233pM Fe,Midnight 52.4988 50.9313 55.6184 1160pM Fe,Midday 9.847547142857143 7.75404 11.4233 1160pM Fe,Midnight 40.241958333333336 36.2027 44.8064 High carbon,Dark 45.54756666666667 19.1807 90.8935 High carbon,Light 60.750276923076925 13.5523 130.221 Low carbon,Dark 22.3129 22.3129 22.3129 Phloroglucinol 33.3245 31.0921 35.0502 Silicon starvation,12h 50.6676 50.6676 50.6676