condition mean min max 12pM Fe,Midday 66.3249 66.3249 66.3249 12pM Fe,Midnight 72.92665 67.2401 78.6132 58pM Fe,Midday 142.272 142.272 142.272 58pM Fe,Midnight 87.59421428571429 44.9208 153.79 233pM Fe,Midnight 23.716166666666666 22.9106 24.1294 1160pM Fe,Midday 17.00577142857143 13.506 21.3487 1160pM Fe,Midnight 19.232908333333334 16.223 23.0713 High carbon,Dark 23.817420000000002 11.321 35.3331 High carbon,Light 22.083122307692307 4.73289 38.8838 Low carbon,Dark 18.5069 18.5069 18.5069 Phloroglucinol 38.173766666666666 31.343 51.273 Silicon starvation,12h 18.9955 18.9955 18.9955