condition mean min max 12pM Fe,Midday 10.9425 10.9425 10.9425 12pM Fe,Midnight 22.094949999999997 21.6497 22.5402 58pM Fe,Midday 11.7572 11.7572 11.7572 58pM Fe,Midnight 48.33825 9.71796 277.851 233pM Fe,Midnight 9.387763333333334 6.32789 10.9477 1160pM Fe,Midday 9.824808571428571 5.76376 12.2302 1160pM Fe,Midnight 2.62879575 0.602377 6.36717 High carbon,Dark 4.652869333333333 0.0 10.4384 High carbon,Light 4.482913076923077 1.11633 9.27168 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 6.52701 5.32509 8.32617 Silicon starvation,12h 11.5626 11.5626 11.5626