condition mean min max 12pM Fe,Midday 46.1598 46.1598 46.1598 12pM Fe,Midnight 91.8675 89.1383 94.5967 58pM Fe,Midday 39.643 39.643 39.643 58pM Fe,Midnight 74.91834285714286 0.0 93.9126 233pM Fe,Midnight 75.09963333333333 70.4896 81.5904 1160pM Fe,Midday 32.75465714285714 24.6454 37.5487 1160pM Fe,Midnight 51.68175 36.1419 81.1602 High carbon,Dark 106.95052 27.2614 332.449 High carbon,Light 101.76117692307692 49.5542 142.083 Low carbon,Dark 95.966 95.966 95.966 Phloroglucinol 152.45766666666665 142.906 157.932 Silicon starvation,12h 72.6108 72.6108 72.6108