condition mean min max 12pM Fe,Midday 44.7307 44.7307 44.7307 12pM Fe,Midnight 28.824849999999998 28.7199 28.9298 58pM Fe,Midday 30.4593 30.4593 30.4593 58pM Fe,Midnight 24.03645714285714 0.0 34.3217 233pM Fe,Midnight 32.94356666666667 31.7705 34.4797 1160pM Fe,Midday 39.222257142857146 36.2603 45.7414 1160pM Fe,Midnight 111.48564166666667 27.932 180.277 High carbon,Dark 59.769466666666666 16.538 229.639 High carbon,Light 55.31832769230769 7.63886 103.039 Low carbon,Dark 26.2301 26.2301 26.2301 Phloroglucinol 65.9026 50.0874 91.9703 Silicon starvation,12h 103.904 103.904 103.904