condition mean min max 12pM Fe,Midday 44.655 44.655 44.655 12pM Fe,Midnight 40.6639 39.1894 42.1384 58pM Fe,Midday 31.0101 31.0101 31.0101 58pM Fe,Midnight 26.313514285714284 0.0 33.858 233pM Fe,Midnight 22.777 22.0751 23.4095 1160pM Fe,Midday 28.1157 25.1887 29.7502 1160pM Fe,Midnight 15.402408333333334 10.4844 20.5056 High carbon,Dark 29.395673333333335 10.452 51.9128 High carbon,Light 22.82338846153846 6.21174 46.7413 Low carbon,Dark 21.5851 21.5851 21.5851 Phloroglucinol 15.254853333333333 9.38636 21.3093 Silicon starvation,12h 45.9368 45.9368 45.9368