condition mean min max 12pM Fe,Midday 12.6752 12.6752 12.6752 12pM Fe,Midnight 31.936 29.8157 34.0563 58pM Fe,Midday 5.60779 5.60779 5.60779 58pM Fe,Midnight 33.67838571428571 0.0 46.2205 233pM Fe,Midnight 34.5743 31.9115 37.0415 1160pM Fe,Midday 2.116824285714286 1.27405 3.4299 1160pM Fe,Midnight 15.7732025 9.36783 25.5992 High carbon,Dark 27.94476866666667 0.0 64.9291 High carbon,Light 15.049809230769231 1.42134 52.9171 Low carbon,Dark 27.9526 27.9526 27.9526 Phloroglucinol 4.278560000000001 2.83664 6.37389 Silicon starvation,12h 66.7948 66.7948 66.7948