condition mean min max 12pM Fe,Midday 53.3642 53.3642 53.3642 12pM Fe,Midnight 36.6375 35.4815 37.7935 58pM Fe,Midday 45.1549 45.1549 45.1549 58pM Fe,Midnight 31.820757142857143 22.7462 69.1084 233pM Fe,Midnight 14.059566666666667 12.8334 14.9434 1160pM Fe,Midday 29.99435714285714 27.921 32.5492 1160pM Fe,Midnight 21.159883333333333 14.6717 25.9199 High carbon,Dark 18.41868 3.69743 29.1843 High carbon,Light 19.536226153846155 6.98138 33.1416 Low carbon,Dark 15.6371 15.6371 15.6371 Phloroglucinol 180.371 160.332 193.632 Silicon starvation,12h 21.2372 21.2372 21.2372