condition mean min max 12pM Fe,Midday 0.725532 0.725532 0.725532 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.320992 0.320992 0.320992 58pM Fe,Midnight 0.04028957142857143 0.0 0.282027 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 0.6917880666666667 0.0 6.99356 High carbon,Light 0.23669184615384614 0.0 1.23271 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 42.423766666666666 15.5706 76.1518 Silicon starvation,12h 0.206403 0.206403 0.206403