condition mean min max 12pM Fe,Midday 15.9851 15.9851 15.9851 12pM Fe,Midnight 17.239150000000002 15.8782 18.6001 58pM Fe,Midday 8.88967 8.88967 8.88967 58pM Fe,Midnight 9.063422857142857 0.0 11.9158 233pM Fe,Midnight 14.276833333333334 12.9947 15.5412 1160pM Fe,Midday 6.897757142857143 3.89301 9.87957 1160pM Fe,Midnight 8.210128333333333 6.07917 10.2151 High carbon,Dark 29.216886666666667 13.7149 40.3325 High carbon,Light 21.276047692307692 8.61912 31.7088 Low carbon,Dark 26.9495 26.9495 26.9495 Phloroglucinol 8.99042 5.29965 12.0223 Silicon starvation,12h 8.07754 8.07754 8.07754