condition mean min max 12pM Fe,Midday 25.1747 25.1747 25.1747 12pM Fe,Midnight 20.9524 20.3912 21.5136 58pM Fe,Midday 20.1641 20.1641 20.1641 58pM Fe,Midnight 15.714271428571427 0.0 21.779 233pM Fe,Midnight 14.363366666666666 14.0394 14.6061 1160pM Fe,Midday 21.12247142857143 17.5313 23.069 1160pM Fe,Midnight 9.472940833333334 7.12527 11.5088 High carbon,Dark 13.578769333333334 4.31411 20.9172 High carbon,Light 12.647088461538461 1.11112 25.5334 Low carbon,Dark 9.71185 9.71185 9.71185 Phloroglucinol 20.171066666666665 16.3075 25.2172 Silicon starvation,12h 22.1333 22.1333 22.1333