condition mean min max 12pM Fe,Midday 27.9073 27.9073 27.9073 12pM Fe,Midnight 29.9067 24.2035 35.6099 58pM Fe,Midday 190.483 190.483 190.483 58pM Fe,Midnight 77.29090000000001 15.4157 228.437 233pM Fe,Midnight 9.873646666666666 9.16198 10.5194 1160pM Fe,Midday 14.856177142857144 9.85824 19.6817 1160pM Fe,Midnight 6.730710833333333 5.77615 7.75638 High carbon,Dark 6.656414666666667 2.10172 13.4187 High carbon,Light 4.837878461538462 1.80287 9.51168 Low carbon,Dark 6.41441 6.41441 6.41441 Phloroglucinol 4.044206666666667 2.61171 6.81726 Silicon starvation,12h 9.08829 9.08829 9.08829