condition mean min max 12pM Fe,Midday 20.0346 20.0346 20.0346 12pM Fe,Midnight 22.376350000000002 19.5165 25.2362 58pM Fe,Midday 13.6883 13.6883 13.6883 58pM Fe,Midnight 15.062028571428572 0.0 20.0603 233pM Fe,Midnight 20.041733333333333 17.8467 21.9988 1160pM Fe,Midday 15.1277 11.5669 18.8677 1160pM Fe,Midnight 18.448975 14.8837 21.9141 High carbon,Dark 13.069333333333333 5.35305 17.8161 High carbon,Light 8.084058461538461 0.0 13.3761 Low carbon,Dark 11.5386 11.5386 11.5386 Phloroglucinol 18.835733333333334 17.0038 20.8432 Silicon starvation,12h 35.3515 35.3515 35.3515