condition mean min max 12pM Fe,Midday 25.6313 25.6313 25.6313 12pM Fe,Midnight 19.0729 17.5482 20.5976 58pM Fe,Midday 18.5218 18.5218 18.5218 58pM Fe,Midnight 12.514614285714286 0.0 18.9289 233pM Fe,Midnight 15.222533333333333 14.5647 16.3614 1160pM Fe,Midday 21.781285714285715 18.8565 26.0094 1160pM Fe,Midnight 7.116530833333333 5.05433 10.0348 High carbon,Dark 7.982440666666666 1.6471 18.0769 High carbon,Light 7.512733076923077 1.25746 18.1507 Low carbon,Dark 7.28874 7.28874 7.28874 Phloroglucinol 19.11863333333333 14.5522 27.2778 Silicon starvation,12h 36.337 36.337 36.337