condition mean min max 12pM Fe,Midday 26.6047 26.6047 26.6047 12pM Fe,Midnight 37.343 36.6691 38.0169 58pM Fe,Midday 19.2282 19.2282 19.2282 58pM Fe,Midnight 24.29972857142857 0.0 31.6475 233pM Fe,Midnight 19.8392 18.3393 22.661 1160pM Fe,Midday 13.4416 11.2504 15.1679 1160pM Fe,Midnight 10.333121666666667 5.83556 18.5522 High carbon,Dark 22.424578 3.54072 40.5731 High carbon,Light 11.51271923076923 1.37551 20.3709 Low carbon,Dark 9.57038 9.57038 9.57038 Phloroglucinol 14.037656666666667 9.29007 18.956 Silicon starvation,12h 11.7863 11.7863 11.7863