condition mean min max 12pM Fe,Midday 43.6019 43.6019 43.6019 12pM Fe,Midnight 31.84135 27.3354 36.3473 58pM Fe,Midday 31.8446 31.8446 31.8446 58pM Fe,Midnight 18.37635714285714 0.0 22.7418 233pM Fe,Midnight 23.155033333333332 22.7384 23.8829 1160pM Fe,Midday 19.95612857142857 16.4829 23.7102 1160pM Fe,Midnight 19.842425 11.7915 26.1515 High carbon,Dark 26.580462 9.66763 42.6959 High carbon,Light 24.48543692307692 8.25232 55.9898 Low carbon,Dark 15.1824 15.1824 15.1824 Phloroglucinol 30.3134 22.5515 44.3232 Silicon starvation,12h 30.5179 30.5179 30.5179