condition mean min max 12pM Fe,Midday 15.4305 15.4305 15.4305 12pM Fe,Midnight 19.69005 19.0273 20.3528 58pM Fe,Midday 11.313 11.313 11.313 58pM Fe,Midnight 11.980842857142857 0.0 17.9943 233pM Fe,Midnight 17.549599999999998 17.0809 18.121 1160pM Fe,Midday 5.728757142857143 4.37421 7.15797 1160pM Fe,Midnight 15.494830833333333 9.77968 21.7456 High carbon,Dark 9.01759 1.04813 17.0283 High carbon,Light 6.084383076923077 0.0 13.2005 Low carbon,Dark 10.3878 10.3878 10.3878 Phloroglucinol 22.2136 16.9706 24.8635 Silicon starvation,12h 18.5623 18.5623 18.5623