condition mean min max 12pM Fe,Midday 34.7931 34.7931 34.7931 12pM Fe,Midnight 20.1697 16.7653 23.5741 58pM Fe,Midday 21.4573 21.4573 21.4573 58pM Fe,Midnight 13.345542857142856 0.0 18.0329 233pM Fe,Midnight 13.400533333333334 11.7644 16.0869 1160pM Fe,Midday 20.52622857142857 17.3655 24.4808 1160pM Fe,Midnight 11.820023333333333 7.95708 16.397 High carbon,Dark 16.767758666666666 6.44337 27.944 High carbon,Light 19.633497692307692 3.72421 39.9423 Low carbon,Dark 29.1254 29.1254 29.1254 Phloroglucinol 71.62683333333334 58.9023 81.3219 Silicon starvation,12h 44.3915 44.3915 44.3915