condition mean min max 12pM Fe,Midday 29.9501 29.9501 29.9501 12pM Fe,Midnight 20.046599999999998 18.6797 21.4135 58pM Fe,Midday 30.7927 30.7927 30.7927 58pM Fe,Midnight 19.62577142857143 17.2971 30.2468 233pM Fe,Midnight 25.2353 24.2624 26.1764 1160pM Fe,Midday 26.67084285714286 25.0733 30.7748 1160pM Fe,Midnight 39.857191666666665 34.1375 51.7993 High carbon,Dark 66.31152 19.9508 129.224 High carbon,Light 65.93025538461538 3.22717 184.936 Low carbon,Dark 30.8322 30.8322 30.8322 Phloroglucinol 30.033933333333334 21.5709 34.7813 Silicon starvation,12h 41.7303 41.7303 41.7303