condition mean min max 12pM Fe,Midday 14.987 14.987 14.987 12pM Fe,Midnight 20.9184 19.7662 22.0706 58pM Fe,Midday 12.1918 12.1918 12.1918 58pM Fe,Midnight 32.805728571428574 21.2529 85.9304 233pM Fe,Midnight 15.182633333333333 14.8347 15.5056 1160pM Fe,Midday 8.87796 6.86816 10.7711 1160pM Fe,Midnight 11.29271 9.1929 13.1438 High carbon,Dark 12.274280666666666 1.9156 28.279 High carbon,Light 9.650658307692307 0.654878 27.2743 Low carbon,Dark 5.89194 5.89194 5.89194 Phloroglucinol 12.920276666666666 7.94685 21.5742 Silicon starvation,12h 8.52715 8.52715 8.52715