condition mean min max 12pM Fe,Midday 26.6158 26.6158 26.6158 12pM Fe,Midnight 14.74065 14.0913 15.39 58pM Fe,Midday 22.6945 22.6945 22.6945 58pM Fe,Midnight 14.1461 0.0 17.6649 233pM Fe,Midnight 13.090766666666667 12.3563 13.9417 1160pM Fe,Midday 12.925685714285715 11.4909 13.9943 1160pM Fe,Midnight 29.316783333333333 20.5227 36.2979 High carbon,Dark 33.071893333333335 13.9975 53.8132 High carbon,Light 28.465854615384615 5.09133 62.6764 Low carbon,Dark 14.9408 14.9408 14.9408 Phloroglucinol 21.875433333333334 13.0792 27.5298 Silicon starvation,12h 31.8015 31.8015 31.8015