condition mean min max 12pM Fe,Midday 18.5248 18.5248 18.5248 12pM Fe,Midnight 10.296335 8.55197 12.0407 58pM Fe,Midday 13.3182 13.3182 13.3182 58pM Fe,Midnight 8.081752857142858 0.0 10.5101 233pM Fe,Midnight 11.400533333333334 10.4787 13.1957 1160pM Fe,Midday 12.501442857142857 9.7643 16.3543 1160pM Fe,Midnight 5.827165 2.69048 10.6321 High carbon,Dark 6.0251364 0.488779 11.5968 High carbon,Light 5.40339 1.28631 10.9749 Low carbon,Dark 5.26787 5.26787 5.26787 Phloroglucinol 4.686836666666666 3.22073 5.94916 Silicon starvation,12h 22.7928 22.7928 22.7928