condition mean min max 12pM Fe,Midday 39.6757 39.6757 39.6757 12pM Fe,Midnight 23.7514 22.5747 24.9281 58pM Fe,Midday 29.0947 29.0947 29.0947 58pM Fe,Midnight 21.186085714285714 0.0 28.214 233pM Fe,Midnight 14.744299999999999 13.9112 15.2668 1160pM Fe,Midday 22.519385714285715 19.3393 24.137 1160pM Fe,Midnight 13.773 12.2439 15.4042 High carbon,Dark 2.4605498666666668 0.0 7.02254 High carbon,Light 6.55889623076923 0.0 28.0417 Low carbon,Dark 0.257757 0.257757 0.257757 Phloroglucinol 1.3576863333333333 0.212591 2.95093 Silicon starvation,12h 23.2651 23.2651 23.2651