condition mean min max 12pM Fe,Midday 42.7889 42.7889 42.7889 12pM Fe,Midnight 37.1242 36.8138 37.4346 58pM Fe,Midday 28.1314 28.1314 28.1314 58pM Fe,Midnight 22.7052 19.793 26.4793 233pM Fe,Midnight 13.0709 12.7705 13.6272 1160pM Fe,Midday 19.267485714285716 18.8045 20.0284 1160pM Fe,Midnight 13.04345 10.165 15.289 High carbon,Dark 17.617765333333335 6.47412 32.3198 High carbon,Light 11.624633846153847 1.40589 24.2409 Low carbon,Dark 9.63564 9.63564 9.63564 Phloroglucinol 30.7971 25.609 37.7062 Silicon starvation,12h 7.25457 7.25457 7.25457