condition mean min max 12pM Fe,Midday 26.9126 26.9126 26.9126 12pM Fe,Midnight 26.97145 24.1961 29.7468 58pM Fe,Midday 19.9726 19.9726 19.9726 58pM Fe,Midnight 17.80562857142857 0.0 22.4107 233pM Fe,Midnight 25.106266666666667 23.9666 25.8433 1160pM Fe,Midday 19.966542857142855 17.3405 22.8343 1160pM Fe,Midnight 22.026216666666667 17.3647 26.8726 High carbon,Dark 20.307414 5.13098 31.8383 High carbon,Light 18.340542307692306 6.33752 33.8338 Low carbon,Dark 17.7749 17.7749 17.7749 Phloroglucinol 21.140666666666668 19.2101 23.3922 Silicon starvation,12h 47.913 47.913 47.913