condition mean min max 12pM Fe,Midday 33.985 33.985 33.985 12pM Fe,Midnight 28.435200000000002 24.5969 32.2735 58pM Fe,Midday 17.474 17.474 17.474 58pM Fe,Midnight 13.622914285714286 0.0 17.8129 233pM Fe,Midnight 10.8109 10.0323 11.2974 1160pM Fe,Midday 11.808342857142858 10.4391 14.0496 1160pM Fe,Midnight 6.939171666666667 4.6153 10.0913 High carbon,Dark 29.187375333333335 8.23993 65.1464 High carbon,Light 16.602286923076925 3.24445 32.9434 Low carbon,Dark 20.8957 20.8957 20.8957 Phloroglucinol 1.659729 0.938677 2.73393 Silicon starvation,12h 3.00499 3.00499 3.00499