condition mean min max 12pM Fe,Midday 63.2681 63.2681 63.2681 12pM Fe,Midnight 19.74895 19.1049 20.393 58pM Fe,Midday 53.5818 53.5818 53.5818 58pM Fe,Midnight 7.570012857142857 0.0 11.7043 233pM Fe,Midnight 9.9165 9.1365 10.321 1160pM Fe,Midday 40.44764285714286 34.5322 42.9642 1160pM Fe,Midnight 1.3482095 0.573184 2.00935 High carbon,Dark 11.890360666666666 2.5411 21.6604 High carbon,Light 12.09947923076923 2.90423 25.3377 Low carbon,Dark 14.0284 14.0284 14.0284 Phloroglucinol 8.156323333333333 6.04977 11.6957 Silicon starvation,12h 16.42 16.42 16.42