condition mean min max 12pM Fe,Midday 16.7035 16.7035 16.7035 12pM Fe,Midnight 16.381050000000002 15.0549 17.7072 58pM Fe,Midday 21.1848 21.1848 21.1848 58pM Fe,Midnight 14.637757142857142 0.0 20.7 233pM Fe,Midnight 12.059899999999999 10.5763 13.5232 1160pM Fe,Midday 13.9909 10.9462 15.8269 1160pM Fe,Midnight 7.456771666666667 3.8294 11.7229 High carbon,Dark 20.57931333333333 10.0157 33.6584 High carbon,Light 16.562013846153846 3.01686 30.0171 Low carbon,Dark 9.9523 9.9523 9.9523 Phloroglucinol 17.9247 14.7844 22.6782 Silicon starvation,12h 36.1144 36.1144 36.1144