condition mean min max 12pM Fe,Midday 41.8327 41.8327 41.8327 12pM Fe,Midnight 50.471199999999996 50.1274 50.815 58pM Fe,Midday 25.5947 25.5947 25.5947 58pM Fe,Midnight 35.97255714285714 0.0 48.1114 233pM Fe,Midnight 27.768166666666666 26.8416 28.5307 1160pM Fe,Midday 19.418071428571427 18.3462 20.5717 1160pM Fe,Midnight 24.687491666666666 16.9804 33.6699 High carbon,Dark 27.746833333333335 14.0184 42.6784 High carbon,Light 12.232141538461539 2.71377 25.9476 Low carbon,Dark 20.7862 20.7862 20.7862 Phloroglucinol 24.610133333333334 14.226 35.4884 Silicon starvation,12h 21.6377 21.6377 21.6377