condition mean min max 12pM Fe,Midday 25.807 25.807 25.807 12pM Fe,Midnight 15.7242 14.8589 16.5895 58pM Fe,Midday 40.1822 40.1822 40.1822 58pM Fe,Midnight 16.71785714285714 0.0 20.753 233pM Fe,Midnight 40.51023333333333 39.3173 41.6077 1160pM Fe,Midday 10.531351428571428 7.55283 12.7593 1160pM Fe,Midnight 91.58880833333333 55.0305 118.664 High carbon,Dark 113.92710666666666 42.0665 222.786 High carbon,Light 132.204968 0.0 285.21 Low carbon,Dark 29.5168 29.5168 29.5168 Phloroglucinol 30.73506666666667 27.3167 34.0778 Silicon starvation,12h 51.1712 51.1712 51.1712