condition mean min max 12pM Fe,Midday 75.4347 75.4347 75.4347 12pM Fe,Midnight 54.1563 53.575 54.7376 58pM Fe,Midday 80.8575 80.8575 80.8575 58pM Fe,Midnight 44.84565714285714 0.0 59.2505 233pM Fe,Midnight 41.009566666666665 38.0556 42.9599 1160pM Fe,Midday 70.83322857142858 61.3282 75.9611 1160pM Fe,Midnight 33.451116666666664 21.1588 42.5391 High carbon,Dark 21.723385333333333 4.3884 45.1508 High carbon,Light 29.106046153846155 0.0 76.8501 Low carbon,Dark 16.9418 16.9418 16.9418 Phloroglucinol 29.250466666666668 22.2896 36.7695 Silicon starvation,12h 53.7372 53.7372 53.7372