condition mean min max 12pM Fe,Midday 31.7454 31.7454 31.7454 12pM Fe,Midnight 31.1771 29.333 33.0212 58pM Fe,Midday 27.209 27.209 27.209 58pM Fe,Midnight 21.797285714285714 0.0 27.211 233pM Fe,Midnight 19.969033333333332 19.1501 20.941 1160pM Fe,Midday 20.583185714285715 19.29 22.9746 1160pM Fe,Midnight 16.153291666666668 11.2099 20.3643 High carbon,Dark 16.211502666666668 5.60097 31.65 High carbon,Light 14.841565384615384 2.4745 22.9214 Low carbon,Dark 15.4576 15.4576 15.4576 Phloroglucinol 27.001933333333334 24.9523 29.3009 Silicon starvation,12h 27.9429 27.9429 27.9429