condition mean min max 12pM Fe,Midday 16.2352 16.2352 16.2352 12pM Fe,Midnight 18.35755 18.0059 18.7092 58pM Fe,Midday 21.3543 21.3543 21.3543 58pM Fe,Midnight 10.366805714285714 0.0 14.073 233pM Fe,Midnight 13.323133333333333 11.7504 14.2348 1160pM Fe,Midday 21.684285714285714 18.694 23.5187 1160pM Fe,Midnight 13.798201666666667 5.74084 21.4127 High carbon,Dark 7.750163333333333 1.27694 15.0918 High carbon,Light 7.469982307692308 1.0445 14.5718 Low carbon,Dark 6.89248 6.89248 6.89248 Phloroglucinol 13.320566666666666 12.1897 14.5488 Silicon starvation,12h 30.0421 30.0421 30.0421