condition mean min max 12pM Fe,Midday 22.7294 22.7294 22.7294 12pM Fe,Midnight 10.56479 9.18158 11.948 58pM Fe,Midday 16.6215 16.6215 16.6215 58pM Fe,Midnight 3.9763442857142857 0.0 5.11561 233pM Fe,Midnight 5.40207 5.12359 5.84925 1160pM Fe,Midday 13.860685714285715 12.6232 15.6286 1160pM Fe,Midnight 17.555261666666667 2.64315 29.147 High carbon,Dark 8.222945333333334 2.35223 18.1612 High carbon,Light 9.674544307692308 0.663526 25.1742 Low carbon,Dark 5.18914 5.18914 5.18914 Phloroglucinol 31.510633333333335 25.1898 34.9155 Silicon starvation,12h 25.6509 25.6509 25.6509