condition mean min max 12pM Fe,Midday 44.6394 44.6394 44.6394 12pM Fe,Midnight 41.6516 39.6088 43.6944 58pM Fe,Midday 48.9208 48.9208 48.9208 58pM Fe,Midnight 42.56061428571429 0.0 56.3546 233pM Fe,Midnight 48.1369 47.4737 49.224 1160pM Fe,Midday 40.95921428571429 34.9243 53.5003 1160pM Fe,Midnight 34.93739166666667 28.5502 45.4188 High carbon,Dark 60.85806 46.7637 81.3195 High carbon,Light 60.94084615384615 35.0889 78.1311 Low carbon,Dark 64.5516 64.5516 64.5516 Phloroglucinol 101.96113333333334 85.9604 114.455 Silicon starvation,12h 83.6517 83.6517 83.6517