condition mean min max 12pM Fe,Midday 43.2995 43.2995 43.2995 12pM Fe,Midnight 46.6267 40.7187 52.5347 58pM Fe,Midday 43.6347 43.6347 43.6347 58pM Fe,Midnight 36.583642857142856 0.0 49.2688 233pM Fe,Midnight 43.3861 41.0074 46.4554 1160pM Fe,Midday 28.67534285714286 21.8781 33.5126 1160pM Fe,Midnight 15.561494999999999 2.03295 40.9735 High carbon,Dark 41.51601333333333 3.8126 74.7422 High carbon,Light 22.417546923076923 1.68722 55.8201 Low carbon,Dark 21.4989 21.4989 21.4989 Phloroglucinol 7.5907599999999995 5.27578 10.6528 Silicon starvation,12h 63.6432 63.6432 63.6432