condition mean min max 12pM Fe,Midday 40.5655 40.5655 40.5655 12pM Fe,Midnight 31.458599999999997 30.1082 32.809 58pM Fe,Midday 41.1071 41.1071 41.1071 58pM Fe,Midnight 20.30185714285714 0.0 26.0187 233pM Fe,Midnight 31.982133333333334 30.6944 34.3285 1160pM Fe,Midday 29.07202857142857 26.7184 33.1226 1160pM Fe,Midnight 18.543025 15.2546 21.9067 High carbon,Dark 27.69396 17.7647 46.7276 High carbon,Light 26.01230076923077 3.30568 36.0569 Low carbon,Dark 21.6078 21.6078 21.6078 Phloroglucinol 30.078400000000002 24.6886 37.3849 Silicon starvation,12h 52.6733 52.6733 52.6733