condition mean min max 12pM Fe,Midday 12.1656 12.1656 12.1656 12pM Fe,Midnight 10.9119 10.7656 11.0582 58pM Fe,Midday 7.80644 7.80644 7.80644 58pM Fe,Midnight 8.591754285714286 6.42563 16.5065 233pM Fe,Midnight 6.01836 5.90955 6.18855 1160pM Fe,Midday 7.001542857142857 6.63517 7.52201 1160pM Fe,Midnight 5.068653333333334 3.69573 7.59957 High carbon,Dark 5.194308666666666 2.42861 9.02489 High carbon,Light 3.472606153846154 1.56328 5.82883 Low carbon,Dark 4.22535 4.22535 4.22535 Phloroglucinol 5.052646666666667 4.36447 5.97905 Silicon starvation,12h 7.60874 7.60874 7.60874