condition mean min max 12pM Fe,Midday 38.4723 38.4723 38.4723 12pM Fe,Midnight 28.6993 27.1836 30.215 58pM Fe,Midday 29.6443 29.6443 29.6443 58pM Fe,Midnight 31.470599999999997 24.2367 65.4373 233pM Fe,Midnight 20.4892 20.1763 20.9798 1160pM Fe,Midday 23.680942857142856 20.6165 26.9229 1160pM Fe,Midnight 19.9376 15.7123 24.0971 High carbon,Dark 18.828444666666666 6.10691 28.7777 High carbon,Light 11.33034 1.73391 20.3931 Low carbon,Dark 14.6569 14.6569 14.6569 Phloroglucinol 16.545133333333332 10.8427 20.4825 Silicon starvation,12h 34.4577 34.4577 34.4577