condition mean min max 12pM Fe,Midday 81.7639 81.7639 81.7639 12pM Fe,Midnight 59.8491 55.6027 64.0955 58pM Fe,Midday 51.2468 51.2468 51.2468 58pM Fe,Midnight 41.80354285714286 0.0 59.1364 233pM Fe,Midnight 29.498366666666666 28.3532 30.3343 1160pM Fe,Midday 35.951499999999996 33.9422 38.4037 1160pM Fe,Midnight 21.94 14.6445 33.0074 High carbon,Dark 41.5269 16.067 65.1146 High carbon,Light 27.90830692307692 6.08245 50.617 Low carbon,Dark 25.6668 25.6668 25.6668 Phloroglucinol 35.98813333333333 21.154 58.0269 Silicon starvation,12h 64.4951 64.4951 64.4951