condition mean min max 12pM Fe,Midday 14.9125 14.9125 14.9125 12pM Fe,Midnight 17.922800000000002 15.701 20.1446 58pM Fe,Midday 11.5561 11.5561 11.5561 58pM Fe,Midnight 11.899000000000001 0.0 15.0198 233pM Fe,Midnight 16.791266666666665 16.304 17.0743 1160pM Fe,Midday 8.000287142857143 7.06806 9.54179 1160pM Fe,Midnight 5.956241666666667 1.71272 14.6106 High carbon,Dark 17.120990666666668 3.08286 26.1855 High carbon,Light 8.28097746153846 0.627337 18.9974 Low carbon,Dark 13.3954 13.3954 13.3954 Phloroglucinol 8.1448 4.45046 10.3492 Silicon starvation,12h 13.1223 13.1223 13.1223