condition mean min max 12pM Fe,Midday 22.3012 22.3012 22.3012 12pM Fe,Midnight 17.59565 16.1427 19.0486 58pM Fe,Midday 18.1684 18.1684 18.1684 58pM Fe,Midnight 10.610214285714285 0.0 14.8366 233pM Fe,Midnight 9.435856666666666 9.0198 9.9268 1160pM Fe,Midday 16.63012857142857 13.4627 17.9446 1160pM Fe,Midnight 6.8742833333333335 4.16619 10.373 High carbon,Dark 15.295383333333334 7.21621 29.162 High carbon,Light 13.033466153846154 1.79159 26.8285 Low carbon,Dark 9.41885 9.41885 9.41885 Phloroglucinol 13.783433333333333 10.8964 15.5278 Silicon starvation,12h 13.7507 13.7507 13.7507