condition mean min max 12pM Fe,Midday 82.2623 82.2623 82.2623 12pM Fe,Midnight 85.4126 74.1292 96.696 58pM Fe,Midday 568.248 568.248 568.248 58pM Fe,Midnight 234.57558571428572 70.8975 508.024 233pM Fe,Midnight 25.2002 24.4316 25.9211 1160pM Fe,Midday 28.00134285714286 21.6379 36.8753 1160pM Fe,Midnight 28.151116666666667 23.2043 33.4139 High carbon,Dark 36.63068 12.0329 60.1136 High carbon,Light 20.11234230769231 2.25531 37.6355 Low carbon,Dark 21.916 21.916 21.916 Phloroglucinol 11.417963333333333 8.56329 15.6391 Silicon starvation,12h 25.7654 25.7654 25.7654