condition mean min max 12pM Fe,Midday 23.4608 23.4608 23.4608 12pM Fe,Midnight 16.5475 16.3647 16.7303 58pM Fe,Midday 22.5314 22.5314 22.5314 58pM Fe,Midnight 10.992215714285715 0.0 15.1253 233pM Fe,Midnight 8.163746666666666 7.30534 9.57729 1160pM Fe,Midday 14.638457142857142 11.9019 17.6346 1160pM Fe,Midnight 5.184388333333334 2.99024 7.05253 High carbon,Dark 44.416729333333336 6.2663 128.389 High carbon,Light 40.72423615384616 6.97604 136.433 Low carbon,Dark 11.1579 11.1579 11.1579 Phloroglucinol 29.200333333333333 24.781 32.1627 Silicon starvation,12h 23.604 23.604 23.604