condition mean min max 12pM Fe,Midday 47.6918 47.6918 47.6918 12pM Fe,Midnight 37.4555 33.1968 41.7142 58pM Fe,Midday 40.3505 40.3505 40.3505 58pM Fe,Midnight 24.048628571428573 0.0 31.7594 233pM Fe,Midnight 20.0406 18.4922 21.4178 1160pM Fe,Midday 29.62012857142857 25.9926 34.405 1160pM Fe,Midnight 15.372508333333332 12.6789 21.678 High carbon,Dark 21.705293333333334 12.2397 33.4604 High carbon,Light 16.87004076923077 5.66239 26.7059 Low carbon,Dark 15.7465 15.7465 15.7465 Phloroglucinol 41.65646666666667 40.2434 42.5247 Silicon starvation,12h 42.8108 42.8108 42.8108