condition mean min max 12pM Fe,Midday 12.9239 12.9239 12.9239 12pM Fe,Midnight 22.12965 20.8347 23.4246 58pM Fe,Midday 15.0297 15.0297 15.0297 58pM Fe,Midnight 16.305985714285715 0.0 25.1194 233pM Fe,Midnight 24.0913 23.1188 24.6057 1160pM Fe,Midday 9.204855714285713 7.48255 10.4962 1160pM Fe,Midnight 28.146233333333335 22.7664 37.2114 High carbon,Dark 39.791473333333336 14.5917 67.303 High carbon,Light 27.08725769230769 8.80575 47.0974 Low carbon,Dark 16.8007 16.8007 16.8007 Phloroglucinol 18.94546666666667 14.7073 26.1636 Silicon starvation,12h 91.3908 91.3908 91.3908