condition mean min max 12pM Fe,Midday 14.0876 14.0876 14.0876 12pM Fe,Midnight 23.803449999999998 23.6465 23.9604 58pM Fe,Midday 13.7229 13.7229 13.7229 58pM Fe,Midnight 20.258185714285712 16.5718 22.2316 233pM Fe,Midnight 10.806203333333332 9.96621 11.3065 1160pM Fe,Midday 6.89152 6.2194 8.42637 1160pM Fe,Midnight 9.174333333333333 6.17309 11.6864 High carbon,Dark 6.303318 1.44406 12.0092 High carbon,Light 2.5145851615384616 0.0 5.78642 Low carbon,Dark 4.21692 4.21692 4.21692 Phloroglucinol 9.856946666666666 8.04708 12.5025 Silicon starvation,12h 2.74212 2.74212 2.74212