condition mean min max 12pM Fe,Midday 17.6026 17.6026 17.6026 12pM Fe,Midnight 15.14615 14.4229 15.8694 58pM Fe,Midday 31.1511 31.1511 31.1511 58pM Fe,Midnight 11.434761428571429 0.0 20.6068 233pM Fe,Midnight 8.500433333333334 7.76812 9.30137 1160pM Fe,Midday 12.426642857142857 10.2413 15.1111 1160pM Fe,Midnight 5.372520916666667 0.206589 16.044 High carbon,Dark 6.2136065333333335 0.0 18.2724 High carbon,Light 4.418948076923077 0.0 21.257 Low carbon,Dark 8.23434 8.23434 8.23434 Phloroglucinol 0.6662566666666666 0.0 1.99877 Silicon starvation,12h 1.06223 1.06223 1.06223