condition mean min max 12pM Fe,Midday 43.9591 43.9591 43.9591 12pM Fe,Midnight 32.53145 28.6981 36.3648 58pM Fe,Midday 41.5491 41.5491 41.5491 58pM Fe,Midnight 127.32015714285714 23.069 710.312 233pM Fe,Midnight 27.8687 23.4058 32.8239 1160pM Fe,Midday 37.537800000000004 32.9974 45.4185 1160pM Fe,Midnight 14.662829166666667 3.86937 33.0552 High carbon,Dark 33.376305333333335 4.75038 58.3738 High carbon,Light 31.234135384615385 5.88166 64.4056 Low carbon,Dark 47.0801 47.0801 47.0801 Phloroglucinol 4.354256666666667 1.25209 6.126 Silicon starvation,12h 222.828 222.828 222.828