condition mean min max 12pM Fe,Midday 29.0893 29.0893 29.0893 12pM Fe,Midnight 13.562249999999999 11.9415 15.183 58pM Fe,Midday 19.4176 19.4176 19.4176 58pM Fe,Midnight 9.59222857142857 0.0 12.7161 233pM Fe,Midnight 5.8497433333333335 5.24408 6.32714 1160pM Fe,Midday 17.6279 15.9223 20.0428 1160pM Fe,Midnight 4.2372375 3.07718 5.60684 High carbon,Dark 8.842488666666666 2.83099 15.5753 High carbon,Light 9.49912823076923 0.600886 19.3206 Low carbon,Dark 7.04889 7.04889 7.04889 Phloroglucinol 8.781563333333333 6.39583 10.4308 Silicon starvation,12h 13.0665 13.0665 13.0665