condition mean min max 12pM Fe,Midday 7.26698 7.26698 7.26698 12pM Fe,Midnight 16.4252 14.0351 18.8153 58pM Fe,Midday 8.87974 8.87974 8.87974 58pM Fe,Midnight 30.152042857142856 10.8517 123.015 233pM Fe,Midnight 9.382249999999999 7.50795 10.5598 1160pM Fe,Midday 7.026495714285715 3.72194 11.7307 1160pM Fe,Midnight 5.70353 3.26148 8.12878 High carbon,Dark 13.203236733333334 0.548461 34.865 High carbon,Light 5.726176153846153 0.49424 16.4197 Low carbon,Dark 11.2463 11.2463 11.2463 Phloroglucinol 1.198199 0.867367 1.41457 Silicon starvation,12h 1.57512 1.57512 1.57512