condition mean min max 12pM Fe,Midday 6.90379 6.90379 6.90379 12pM Fe,Midnight 14.229795 9.57289 18.8867 58pM Fe,Midday 4.07253 4.07253 4.07253 58pM Fe,Midnight 15.449354285714286 0.0 41.556 233pM Fe,Midnight 19.79543333333333 14.5711 25.3191 1160pM Fe,Midday 5.194125714285715 1.26848 19.2042 1160pM Fe,Midnight 33.025 11.5838 71.0101 High carbon,Dark 17.077875333333335 0.0 121.578 High carbon,Light 8.279323 0.0 29.0407 Low carbon,Dark 1.24649 1.24649 1.24649 Phloroglucinol 2.162849 0.480677 3.39478 Silicon starvation,12h 16.5851 16.5851 16.5851