condition mean min max 12pM Fe,Midday 63.0215 63.0215 63.0215 12pM Fe,Midnight 33.01835 29.2267 36.81 58pM Fe,Midday 52.7087 52.7087 52.7087 58pM Fe,Midnight 70.40482857142857 26.231 306.894 233pM Fe,Midnight 20.330033333333333 18.7306 22.5809 1160pM Fe,Midday 41.184914285714285 35.0416 46.3966 1160pM Fe,Midnight 8.156208333333334 3.19669 11.685 High carbon,Dark 16.075670666666667 1.44118 49.2774 High carbon,Light 19.780821538461538 0.0 49.8853 Low carbon,Dark 11.2227 11.2227 11.2227 Phloroglucinol 12.54833 7.57359 15.8806 Silicon starvation,12h 18.6654 18.6654 18.6654