condition mean min max 12pM Fe,Midday 113.73 113.73 113.73 12pM Fe,Midnight 69.2404 66.6711 71.8097 58pM Fe,Midday 41.3317 41.3317 41.3317 58pM Fe,Midnight 42.29794285714286 0.0 61.2165 233pM Fe,Midnight 24.553233333333335 21.4021 27.8251 1160pM Fe,Midday 31.355071428571428 15.9707 40.1399 1160pM Fe,Midnight 29.47704166666667 16.1963 45.3957 High carbon,Dark 55.541536 3.21884 139.14 High carbon,Light 42.031415384615386 0.0 132.049 Low carbon,Dark 69.3027 69.3027 69.3027 Phloroglucinol 24.704166666666666 15.2202 39.8031 Silicon starvation,12h 30.0434 30.0434 30.0434