condition mean min max 12pM Fe,Midday 8.23098 8.23098 8.23098 12pM Fe,Midnight 8.50789 7.58243 9.43335 58pM Fe,Midday 5.7968 5.7968 5.7968 58pM Fe,Midnight 5.63087 0.0 8.50333 233pM Fe,Midnight 3.15362 2.40608 3.72263 1160pM Fe,Midday 4.981134285714286 3.9546 5.75474 1160pM Fe,Midnight 4.4661558333333335 2.77888 6.11545 High carbon,Dark 4.522433133333333 0.0 10.6866 High carbon,Light 2.533721846153846 0.0 6.02472 Low carbon,Dark 3.82144 3.82144 3.82144 Phloroglucinol 6.52107 3.6841 9.61332 Silicon starvation,12h 3.4407 3.4407 3.4407