condition mean min max 12pM Fe,Midday 28.1263 28.1263 28.1263 12pM Fe,Midnight 24.0768 21.806 26.3476 58pM Fe,Midday 21.6578 21.6578 21.6578 58pM Fe,Midnight 26.5973 15.0407 76.3246 233pM Fe,Midnight 12.3084 11.9785 12.779 1160pM Fe,Midday 15.2883 10.9746 18.2067 1160pM Fe,Midnight 12.249816666666666 10.8075 14.3269 High carbon,Dark 18.178766 5.44469 28.6968 High carbon,Light 11.437698461538462 3.79199 20.5717 Low carbon,Dark 10.8155 10.8155 10.8155 Phloroglucinol 12.330063333333333 8.47599 15.2029 Silicon starvation,12h 28.5855 28.5855 28.5855