condition mean min max 12pM Fe,Midday 45.4827 45.4827 45.4827 12pM Fe,Midnight 42.222 41.1131 43.3309 58pM Fe,Midday 38.2751 38.2751 38.2751 58pM Fe,Midnight 28.511485714285715 0.0 36.8738 233pM Fe,Midnight 31.9633 30.9002 34.0348 1160pM Fe,Midday 29.03945714285714 24.7873 33.3323 1160pM Fe,Midnight 13.050321666666667 3.94189 30.3742 High carbon,Dark 30.674033333333334 16.6355 56.0107 High carbon,Light 23.93187846153846 4.46172 42.6916 Low carbon,Dark 12.4041 12.4041 12.4041 Phloroglucinol 6.185266666666667 5.02711 7.15093 Silicon starvation,12h 85.2353 85.2353 85.2353