condition mean min max 12pM Fe,Midday 40.5409 40.5409 40.5409 12pM Fe,Midnight 30.598 30.3896 30.8064 58pM Fe,Midday 37.72 37.72 37.72 58pM Fe,Midnight 24.17572857142857 22.1554 30.9265 233pM Fe,Midnight 21.546366666666668 21.0758 22.2729 1160pM Fe,Midday 30.4223 28.7364 31.5339 1160pM Fe,Midnight 11.976293333333333 9.58212 15.516 High carbon,Dark 16.696532666666666 5.72225 26.0622 High carbon,Light 12.56702 2.12123 23.3152 Low carbon,Dark 13.5006 13.5006 13.5006 Phloroglucinol 24.4522 16.1909 38.4376 Silicon starvation,12h 14.0825 14.0825 14.0825