condition mean min max 12pM Fe,Midday 38.6327 38.6327 38.6327 12pM Fe,Midnight 27.78135 27.3619 28.2008 58pM Fe,Midday 23.5344 23.5344 23.5344 58pM Fe,Midnight 23.987414285714287 17.8004 52.8208 233pM Fe,Midnight 16.2254 15.8999 16.8415 1160pM Fe,Midday 19.680142857142858 17.8776 21.2325 1160pM Fe,Midnight 12.469591666666666 7.37423 19.353 High carbon,Dark 18.124727333333333 3.84474 44.2207 High carbon,Light 25.280775384615385 2.71173 78.514 Low carbon,Dark 11.2274 11.2274 11.2274 Phloroglucinol 22.95563333333333 16.1543 28.4168 Silicon starvation,12h 21.0086 21.0086 21.0086