condition mean min max 12pM Fe,Midday 29.4277 29.4277 29.4277 12pM Fe,Midnight 18.9666 18.405 19.5282 58pM Fe,Midday 20.3032 20.3032 20.3032 58pM Fe,Midnight 11.819171428571428 0.0 15.1188 233pM Fe,Midnight 16.982166666666668 15.8184 18.7753 1160pM Fe,Midday 19.01462857142857 15.968 21.8012 1160pM Fe,Midnight 9.635655 8.20924 11.049 High carbon,Dark 10.504802 4.07702 19.4035 High carbon,Light 11.359719230769231 3.89715 18.1408 Low carbon,Dark 12.8743 12.8743 12.8743 Phloroglucinol 14.334766666666667 11.7744 17.2796 Silicon starvation,12h 33.604 33.604 33.604