condition mean min max 12pM Fe,Midday 20.7242 20.7242 20.7242 12pM Fe,Midnight 17.610599999999998 16.0636 19.1576 58pM Fe,Midday 15.0777 15.0777 15.0777 58pM Fe,Midnight 11.788057142857143 0.0 18.5789 233pM Fe,Midnight 7.876353333333333 7.13714 8.74808 1160pM Fe,Midday 10.072774285714285 6.99925 12.7372 1160pM Fe,Midnight 10.996644166666666 4.6375 20.0333 High carbon,Dark 18.59497933333333 2.91969 32.29 High carbon,Light 20.570953846153845 4.52226 45.3835 Low carbon,Dark 7.48357 7.48357 7.48357 Phloroglucinol 7.881536666666667 2.02009 17.2571 Silicon starvation,12h 5.24063 5.24063 5.24063