condition mean min max 12pM Fe,Midday 0.553881 0.553881 0.553881 12pM Fe,Midnight 4.480935 4.41611 4.54576 58pM Fe,Midday 0.163366 0.163366 0.163366 58pM Fe,Midnight 3.039755714285714 0.0 7.37847 233pM Fe,Midnight 0.03855856666666667 0.0 0.0584509 1160pM Fe,Midday 0.13223622857142858 0.0 0.52458 1160pM Fe,Midnight 4.4711783333333335 2.81093 6.26894 High carbon,Dark 0.6427790666666666 0.0 3.36515 High carbon,Light 2.1421913076923076 0.0 7.26717 Low carbon,Dark 0.150006 0.150006 0.150006 Phloroglucinol 2.6434266666666666 2.48738 2.80139 Silicon starvation,12h 0.0 0.0 0.0