condition mean min max 12pM Fe,Midday 31.8301 31.8301 31.8301 12pM Fe,Midnight 21.161700000000003 19.9598 22.3636 58pM Fe,Midday 29.6324 29.6324 29.6324 58pM Fe,Midnight 19.932114285714285 17.1186 28.0773 233pM Fe,Midnight 21.0409 20.4658 21.6044 1160pM Fe,Midday 18.1216 16.3834 20.6061 1160pM Fe,Midnight 35.214725 25.7806 45.7994 High carbon,Dark 28.952081333333332 9.26352 48.9524 High carbon,Light 31.35198 3.31667 55.7979 Low carbon,Dark 15.5297 15.5297 15.5297 Phloroglucinol 8.483363333333333 5.04339 10.344 Silicon starvation,12h 23.5479 23.5479 23.5479