condition mean min max 12pM Fe,Midday 388.404 388.404 388.404 12pM Fe,Midnight 432.376 428.403 436.349 58pM Fe,Midday 322.547 322.547 322.547 58pM Fe,Midnight 411.2632857142857 311.064 825.369 233pM Fe,Midnight 204.60766666666666 199.334 209.723 1160pM Fe,Midday 300.0235714285714 277.741 315.653 1160pM Fe,Midnight 470.1238333333333 235.902 653.353 High carbon,Dark 206.45093333333332 136.682 282.035 High carbon,Light 208.51388461538463 76.9355 297.895 Low carbon,Dark 161.154 161.154 161.154 Phloroglucinol 329.11633333333333 265.415 403.822 Silicon starvation,12h 359.132 359.132 359.132